Quotes and Sayings about Observation
"It is my intention to present - through the medium of photography - intuitive observations of the natural world which may have meaning to the spectators."
- Ansel Adams
(Related: Intention, May, Meaning, Photography, Present, World)
"My observations of Japanese naval fighting men, their abilities and equipment led me to believe that they gave a better account of themselves than we did."
- Jack Adams
(Related: Men, Fighting)
"A true critic ought to dwell upon excellencies rather than imperfections, to discover the concealed beauties of a writer, and communicate to the world such things as are worth their observation."
- Joseph Addison
(Related: Observation, World, Worth, Writer)
"For this reason, the expansion of relations with all countries is on the agenda of the Islamic Republic of Iran. I mean balanced relationships, based on mutual respect and observation of each other's rights."
- Mahmoud Ahmadinejad
(Related: Countries, Rights, Observation, Reason, Relationships, Respect)
"Observation more than books and experience more than persons, are the prime educators."
- Amos Bronson Alcott
(Related: Experience, Books, Observation)
"I am inspired by many mediums and use them to express varied aspects of my philosophies and life observations."
- Judith Anderson
"All perceiving is also thinking, all reasoning is also intuition, all observation is also invention."
- Rudolf Arnheim
(Related: Intuition, Invention, Observation, Thinking)
"From my close observation of writers... they fall into two groups: 1) those who bleed copiously and visibly at any bad review, and 2) those who bleed copiously and secretly at any bad review."
- Isaac Asimov
(Related: Observation, Writers)
"Nothing has such power to broaden the mind as the ability to investigate systematically and truly all that comes under thy observation in life."
- Marcus Aurelius
(Related: Life, Power, Ability, Mind, Nothing, Observation)
"There is a wisdom in this beyond the rules of physic: a man's own observation what he finds good of and what he finds hurt of is the best physic to preserve health."
- Francis Bacon
(Related: Health, Wisdom, Hurt, Man, Observation, Rules)
"If you make listening and observation your occupation you will gain much more than you can by talk."
- Robert Baden-Powell
(Related: Gain, Listening, Observation, Occupation, Talk, Will)
"The five steps in teaching an employee new skills are preparation, explanation, showing, observation and supervision."
- Bruce Barton
(Related: Observation, Preparation, Teaching)
"The attention of a traveller, should be particularly turned, in the first place, to the various works of Nature, to mark the distinctions of the climates he may explore, and to offer such useful observations on the different productions as may occur."
- William Bartram
(Related: Nature, Attention, First, May)
"It was a shock to people of the nineteenth century when they discovered, from observations science had made, that many features of the biological world could be ascribed to the elegant principle of natural selection."
- Michael Behe
(Related: Science, People, World)
"It is a shock to us in the twentieth century to discover, from observations science has made, that the fundamental mechanisms of life cannot be ascribed to natural selection, and therefore were designed. But we must deal with our shock as best we can and go on."
- Michael Behe
(Related: Life, Science)
"A mind at liberty to reflect on its own observations, if it produce nothing useful to the world, seldom fails of entertainment to itself."
- George Berkeley
(Related: Entertainment, Liberty, Mind, Nothing, World)
"Observation is a passive science, experimentation an active science."
- Claude Bernard
(Related: Science, Observation)
"Genius makes its observations in short-hand; talent writes them out at length."
- Christian Nestell Bovee
(Related: Talent, Genius)
"Shortly after this, I placed my command on our extreme left, to watch and fight the enemy should he make another attack, and went to Cemetary Hill for observation."
- John Buford
(Related: Enemy, Extreme, Fight, Observation)
"The true spirit of conversation consists in building on another man's observation, not overturning it."
- Edward G. Bulwer-Lytton
(Related: Building, Conversation, Man, Observation, Spirit)
"I have never yet seen any plan which has not been mended by the observations of those who were much inferior in understanding to the person who took the lead in the business."
- Edmund Burke
(Related: Business, Understanding)
"A few observation and much reasoning lead to error; many observations and a little reasoning to truth."
- Alexis Carrel
(Related: Truth, Error, Observation)
"There's certainly nothing original about the observation that conscious experience poses a hard problem."
- David Chalmers
(Related: Experience, Nothing, Observation)
"I never expected this to catch on in the way it did! Of course similar observations have been made by any number of people, and the distinction is obvious to anyone who thinks about the subject a little."
- David Chalmers
(Related: People, Obvious)
"All ideas come about through some sort of observation. It sparks an attitude; some object or emotion causes a reaction in the other person."
- Graham Chapman
(Related: Ideas, Attitude, Causes, Emotion, Observation)
"I will not comment on or confirm what are alleged to be stolen State Department cables. But I can say that the United States deeply regrets the disclosure of any information that was intended to be confidential, including private discussions between counterparts or our diplomats' personal assessments and observations."
- Hillary Clinton
(Related: Information, State, states, United, Will)
"The meaning of this observation is unclear, but it raises the unfortunate possibility of ambiguous triplets; that is, triplets which may code more than one amino acid. However one would certainly expect such triplets to be in a minority."
- Francis Crick
(Related: Possibility, May, Meaning, Minority, Observation)
"But what is of great importance to me is observation of the movement of colors."
- Robert Delaunay
(Related: Colors, Importance, Observation)
"Direct observation of the luminous essence of nature is for me indispensable."
- Robert Delaunay
(Related: Nature, Observation)
"There are three principal means of acquiring knowledge... observation of nature, reflection, and experimentation. Observation collects facts; reflection combines them; experimentation verifies the result of that combination."
- Denis Diderot
(Related: Nature, Knowledge, Facts, Observation, Reflection, Result)
"Our observation of nature must be diligent, our reflection profound, and our experiments exact. We rarely see these three means combined; and for this reason, creative geniuses are not common."
- Denis Diderot
(Related: Nature, Observation, Reason, Reflection)
"But I make the observation that no one of us would do things exactly alike."
- David Dinkins
"My observation is that women are merely waiting for their husbands to assume leadership."
- James Dobson
(Related: Leadership, Women, Husbands, Observation, Waiting)
"But my observation has been, certainly in the news business, you've got to give 110 percent."
- Sam Donaldson
(Related: Business, News, Observation)
"However, the models also predict unambiguously that the atmosphere is warming faster than the surface of the earth; but all the available observational data unambiguously shows the opposite!"
- David Douglass
"One finds the truth by making a hypothesis and comparing observations with the hypothesis."
- David Douglass
"Truth in science is always determined from observational facts."
- David Douglass
(Related: Science, Truth, Facts)
"A battle lost or won is easily described, understood, and appreciated, but the moral growth of a great nation requires reflection, as well as observation, to appreciate it."
- Frederick Douglass
(Related: Growth, Battle, Nation, Observation, Reflection)
"It is also a good rule not to put overmuch confidence in the observational results that are put forward until they are confirmed by theory."
- Arthur Eddington
(Related: Confidence, Results, Theory)
"Therefore, the observation must be explicitly made: In the Middle East and in the Muslim world, suspicions linger concerning the objectives of the West and notably the US."
- Recep Tayyip Erdogan
(Related: Muslim, Objectives, Observation, World)
"To me, photography is an art of observation. It's about finding something interesting in an ordinary place... I've found it has little to do with the things you see and everything to do with the way you see them."
- Elliott Erwitt
(Related: Art, Observation, Photography)
"Strategy requires thought, tactics require observation."
- Max Euwe
(Related: Thought, Strategy, Observation)
"The philosophy behind much advertising is based on the old observation that every man is really two men - the man he is and the man he wants to be."
- William Feather
(Related: Men, Advertising, Man, Observation, Old, Philosophy)
"It has been my observation that most people get ahead during the time that others waste."
- Henry Ford
(Related: Time, People, Observation, Waste)
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth - all that constitutes a wild dream worthy of Jules Verne."
- Lee De Forest
(Related: Dream, Earth, Land, Man, Moon, Project)
"We are told that the first part of the process is to select the very smallest seeds from the smallest plants, which is not at all unlikely, but I cannot speak to the fact from my own observation."
- Robert Fortune
(Related: Fact, First, Observation, Plants)
"Rhetoric and dialectics can't change what I have learned from observation and experience."
- Paul Getty
(Related: Change, Experience, Observation, Rhetoric)
"From the very commencement the student should set out to witness the progress and effects of sickness and ought to persevere in the daily observation of disease during the whole period of his studies."
- Robert James Graves
(Related: Progress, Disease, Observation, Sickness)
"We may take it to be the accepted idea that the Mosaic books were not handed down to us for our instruction in scientific knowledge, and that it is our duty to ground our scientific beliefs upon observation and inference, unmixed with considerations of a different order."
- Asa Gray
(Related: Idea, Knowledge, Beliefs, Books, Duty, May, Observation, Order)
"In the end, they pardoned me and packed me off to a home for the shell-shocked. Shortly before the end of the war, I was discharged a second time, once again with the observation that I was subject to recall at any time."
- George Grosz
(Related: Home, Time, War, End, Observation)
"Of course as children, we all, in all cultures and societies, learn behavior from observation, imitation, and encouragement of various kinds. So by the suggestion made, we all 'pretend' most of the time."
- Gary Gygax
(Related: Time, Behavior, Children, Encouragement, Imitation, Observation)
"Those who have heard me speak from time to time know that quite often I cite the observation of that great American author, Mark Twain, who said, history does not repeat itself, but it rhymes."
- J. D. Hayworth
(Related: History, Time, American, Observation)
"We are very much what others think of us. The reception our observations meet with gives us courage to proceed, or damps our efforts."
- William Hazlitt
"He grows daily more capable of following any inspiration without technical effort, and also of letting inspiration come to him through meticulous observation."
- Eugen Herrigel
(Related: Inspiration, Effort, Observation)
"We learn this by the precepts that Jesus left. He observed that the people were looking outward, and assured them that the kingdom of God cometh not with outward observation; and for this reason, that it was only to be known in man."
- Elias Hicks
(Related: God, People, Man, Observation, Reason)
"I am proud to find, from two astronomical observations, that Chapel Hill lies right in the orbit of Jupiter and his satellites, and that the period of his revolution is about twelve years."
- William Hooper
(Related: Revolution, Lies, Right, Years)
"Science is simply common sense at its best, that is, rigidly accurate in observation, and merciless to fallacy in logic."
- Thomas Huxley
(Related: Science, Common sense, Logic, Observation)
"The ultimate court of appeal is observation and experiment... not authority."
- Thomas Huxley
(Related: Authority, Court, Observation)
"Reason, observation, and experience; the holy trinity of science."
- Robert Green Ingersoll
(Related: Science, Experience, Observation, Reason, Trinity)
"Now the identification of individual sounds by phonetic observation is an artificial way of proceeding."
- Roman Jakobson
(Related: Now, Observation)
"Even scientific knowledge, if there is anything to it, is not a random observation of random objects; for the critical objectivity of significant knowledge is attained as a practice only philosophically in inner action."
- Karl Jaspers
(Related: Knowledge, Action, Observation, Practice)
"But it really wasn't until three to four years later, when we had an opportunity in the lab to make very detailed observations, and comparisons with other fossil discoveries, that we realized she was a new species of human ancestor."
- Donald Johanson
(Related: Opportunity, Comparisons, Years)
"Association with human beings lures one into self-observation."
- Franz Kafka
"How pathetically scanty my self-knowledge is compared with, say, my knowledge of my room. There is no such thing as observation of the inner world, as there is of the outer world."
- Franz Kafka
(Related: Knowledge, Observation, Self, World)
"Good men, whether they be Christians or rationalists, do not desire to discriminate between races, but the distinctions implanted by Nature are too conspicuous to escape the observation of our senses."
- Arthur Keith
(Related: Nature, Men, Desire, Observation, Senses)
"Not observation of a duty but liberty itself is the pledge that assures fidelity."
- Ellen Key
(Related: Duty, Fidelity, Liberty, Observation)
"Morality without religion is only a kind of dead reckoning - an endeavor to find our place on a cloudy sea by measuring the distance we have run, but without any observation of the heavenly bodies."
- Henry Wadsworth Longfellow
(Related: Religion, Morality, Observation, Sea)
"Certain periods in history suddenly lift humanity to an observation point where a clear light falls upon a world previously dark."
- Anne Sullivan Macy
(Related: History, Humanity, Light, Observation, World)
"The inquiries of the jurist are in truth prosecuted much as inquiry in physic and physiology was prosecuted before observation had taken the place of assumption."
- Henry James Sumner Maine
(Related: Truth, Observation)
"Laws and customs may be creative of vice; and should be therefore perpetually under process of observation and correction: but laws and customs cannot be creative of virtue: they may encourage and help to preserve it; but they cannot originate it."
- Harriet Martineau
(Related: Help, Laws, May, Observation, Vice)
"Based on observations of the policies of my own government, I viewed this action as an acceptable option."
- Timothy McVeigh
(Related: Government, Action)
"I will throw all my best efforts into it, my thoughts and political observations, but ultimately I want to create a narrative that keeps you turning the pages and leaves you with a sense that this thing has a reason for being there."
- Frank Miller
(Related: Thoughts, Being, Reason, Sense, Want, Will)
"By means of microscopic observation and astronomical projection the lotus flower can become the foundation for an entire theory of the universe and an agent whereby we may perceive Truth."
- Yukio Mishima
(Related: Truth, May, Observation, Theory, Universe)
"I saw, in looking over Cooper, elements of a comet of 1825 which resemble what I get out for this, from my own observations, but I cannot rely upon my own."
- Maria Mitchell
"I made observations for three hours last night, and am almost ill today from fatigue; still I have worked all day, trying to reduce the places, and mean to work hard again tonight."
- Maria Mitchell
(Related: Work, Day, Fatigue, Night, Today, Trying)
"We cannot create observers by saying 'observe,' but by giving them the power and the means for this observation and these means are procured through education of the senses."
- Maria Montessori
(Related: Education, Power, Giving, Observation, Saying, Senses)
"It is a common observation, that the more solicitous any people are about dress, the more effeminate they are."
- Karl Philipp Moritz
(Related: People, Dress, Observation)
"The stories are not autobiographical, but they're personal in that way. I seem to know only the things that I've learned. Probably some things through observation, but what I feel I know surely is personal."
- Alice Munro
"First, I used some of my own experiences and observations from attending a public high school. Secondly, I joined in some Internet chat rooms for gays and lesbians."
- Ellen Muth
(Related: First, Internet, Public, School)
"The reports of the eclipse parties not only described the scientific observations in great detail, but also the travels and experiences, and were sometimes marked by a piquancy not common in official documents."
- Simon Newcomb
"The result was that, if it happened to clear off after a cloudy evening, I frequently arose from my bed at any hour of the night or morning and walked two miles to the observatory to make some observation included in the programme."
- Simon Newcomb
(Related: Bed, Evening, Night, Observation, Result)
"Even if it had not been possible to reproduce the disease in animals and consequently to verify the hypothesis, this simple observation would have been sufficient to demonstrate the way in which the disease was propagated."
- Charles Jules Henry Nicole
(Related: Animals, Disease, Observation)
"My observation is that after one hundred and twenty years of modernisation since the opening of the country, present-day Japan is split between two opposite poles of ambiguity."
- Kenzaburo Oe
(Related: Ambiguity, Country, Observation, Present, Years)
"There is no more difficult art to acquire than the art of observation, and for some men it is quite as difficult to record an observation in brief and plain language."
- William Osler
(Related: Art, Men, Language, Observation)
"Cuvier had preceded Lamarck in specifying the kinds and degrees of variation, which his own observations and critical judgment of the reports of others led him to admit."
- Richard Owen
"The lesson of the last year is this: foreign policy can't be managed through the politics of personality, and our President would do well to take note of an observation John F. Kennedy made once he was in office - that all of the world's problems aren't his predecessor's fault."
- Sarah Palin
(Related: Politics, Policy, Fault, Foreign policy, Observation, Office, Personality, President, Problems, World)
"That is, a system starts with a group of interrelated propositions which involve reference to empirical observations within the logical framework of the propositions in question."
- Talcott Parsons
"Where observation is concerned, chance favors only the prepared mind."
- Louis Pasteur
(Related: Chance, Favors, Mind, Observation)
"In the fields of observation chance favors only the prepared mind."
- Louis Pasteur
(Related: Chance, Favors, Mind, Observation)
"The service of philosophy, of speculative culture, towards the human spirit, is to rouse, to startle it to a life of constant and eager observation."
- Walter Pater
(Related: Life, Culture, Observation, Philosophy, Service, Spirit)
"To observations which ourselves we make, we grow more partial for th' observer's sake."
- Alexander Pope
"One man's observation is another man's closed book or flight of fancy."
- Willard Van Orman Quine
(Related: Fancy, Man, Observation)
"Women are always most observed when they seem themselves least to observe, or to lay out for observation."
- Samuel Richardson
(Related: Women, Observation)
"There is no better proof of a man's being truly good than his desiring to be constantly under the observation of good men."
- Francois de La Rochefoucauld
(Related: Men, Being, Man, Observation, Proof)
"There are three kinds of men. The one that learns by reading. The few who learn by observation. The rest of them have to pee on the electric fence for themselves."
- Will Rogers
(Related: Men, Observation, Reading, Rest)
"People's minds are changed through observation and not through argument."
- Will Rogers
(Related: People, Argument, Observation)
"Science progresses best when observations force us to alter our preconceptions."
- Vera Rubin
(Related: Science, Force)
"No observational problem will not be solved by more data."
- Vera Rubin
"And this thesis is somewhat connected with general social and political observations, because it establishes the fact that the number of consumers is considerably larger than the number of producers, a fact which exercises a not inconsiderable social and political pressure."
- Hjalmar Schacht
(Related: Fact, Pressure)
"A careful analysis of the process of observation in atomic physics has shown that the subatomic particles have no meaning as isolated entities, but can only be understood as interconnections between the preparation of an experiment and the subsequent measurement."
- Erwin Schrodinger
(Related: Meaning, Observation, Physics, Preparation)
"One hour of life, crowded to the full with glorious action, and filled with noble risks, is worth whole years of those mean observances of paltry decorum, in which men steal through existence, like sluggish waters through a marsh, without either honor or observation."
- Walter Scott
(Related: Men, Life, Action, Existence, Honor, Observation, Worth, Years)
"Where conscious subjectivity is concerned, there is no distinction between the observation and the thing observed."
- John Searle
"Ignorant people see life as either existence or non-existence, but wise men see it beyond both existence and non-existence to something that transcends them both; this is an observation of the Middle Way."
- Lucius Annaeus Seneca
(Related: Life, Men, People, Existence, Observation)
"The first, or theoretic branch, that which explains the nature, production, and distribution of wealth, will be found to rest on a very few general propositions, which are the result of observation, or consciousness."
- Nassau William Senior
(Related: Nature, Wealth, Consciousness, First, Observation, Production, Rest, Result, Will)
"As, however, the port in reality lies in thirty-two degrees thirty-four minutes, according to the observations that have been made, they went much beyond it, thus making the voyage much longer than was necessary."
- Junipero Serra
(Related: Lies, Reality)
"Theories crumble, but good observations never fade."
- Harlow Shapley
"The power of accurate observation is commonly called cynicism by those who have not got it."
- George Bernard Shaw
(Related: Power, Cynicism, Observation)
"Wisdom and understanding can only become the possession of individual men by travelling the old road of observation, attention, perseverance, and industry."
- Samuel Smiles
(Related: Men, Wisdom, Perseverance, Attention, Observation, Old, Possession, Road, Understanding)
"The theory that can absorb the greatest number of facts, and persist in doing so, generation after generation, through all changes of opinion and detail, is the one that must rule all observation."
- Adam Smith
(Related: Detail, Facts, Observation, Opinion, Theory)
"The materials of the novelist must be real; they must be gathered from the field of humanity by his actual observation."
- Goldwin Smith
(Related: Humanity, Observation)
"It is a great pity but tis certain from every day's observation of man, that he may be set on fire like a candle, at either end provided there is a sufficient wick standing out."
- Laurence Sterne
(Related: Day, End, Fire, Man, May, Observation, Pity)
"Accuracy of observation is the equivalent of accuracy of thinking."
- Wallace Stevens
(Related: Accuracy, Observation, Thinking)
"Much of my work in this period was concerned with exploring the logic of economic models, but also with attempting to reconcile the models with every day observation."
- Joseph E. Stiglitz
(Related: Work, Day, Logic, Observation)
"My mother moved abroad when I was 11, my dad wasn't around from the time that I was a baby, so I was not the product of a family, but a product of observation - of watching what went on around me, of watching who I liked, what I didn't like, what I thought was good behavior and what I thought was bad behavior and tailoring myself accordingly."
- Mark Strong
(Related: Dad, Time, Family, Mother, Thought, Baby, Behavior, Observation)
"It's a great mistake, I think, to put children off with falsehoods and nonsense, when their growing powers of observation and discrimination excite in them a desire to know about things."
- Anne Sullivan
(Related: Mistake, Children, Desire, Discrimination, Nonsense, Observation)
"Observation is an old man's memory."
- Jonathan Swift
(Related: Man, Memory, Observation, Old)
"I confidently affirm that the greater part of those who are supposed to have died of gout, have died of the medicine rather than the disease - a statement in which I am supported by observation."
- Thomas Sydenham
(Related: Disease, Medicine, Observation)
"Children have very sharp powers of observation - probably sharper than adults - yet at the same time their emotional reactions are murky and much more primitive."
- Donna Tartt
(Related: Time, Children, Observation)
"The Artist is he who detects and applies the law from observation of the works of Genius, whether of man or Nature. The Artisan is he who merely applies the rules which others have detected."
- Henry David Thoreau
(Related: Nature, Genius, Artist, Law, Man, Observation, Rules)
"In dealing with the China problem, the British and American side, which had particularly strong interests in China, should have based its judgments about the origins of the problem on direct observation of the actual circumstances at the time."
- Hideki Tojo
(Related: Time, American, Circumstances, Observation)
"It is now possible to quantify people's levels of happiness pretty accurately by asking them, by observation, and by measuring electrical activity in the brain, in degrees from terrible pain to sublime joy."
- Polly Toynbee
(Related: Happiness, People, Joy, Now, Observation, Pain, Pretty)
"The curious defiled past him, after squeezing the Presidential fingers into the room, and settled either on the sofa or chairs or remained standing for protracted observations."
- Henry Villard
"Poets, we know, are terribly sensitive people, and in my observation one of the things they are most sensitive about is money."
- Robert Penn Warren
(Related: Money, People, Observation, Poets)
"My observation is that whenever one person is found adequate to the discharge of a duty... it is worse executed by two persons, and scarcely done at all if three or more are employed therein."
- George Washington
(Related: Duty, Observation)
"Politics is not predictions and politics is not observations. Politics is what we do. Politics is what we do, politics is what we create, by what we work for, by what we hope for and what we dare to imagine."
- Paul Wellstone
(Related: Politics, Work, Hope)
"It is of great importance to note these meteors, even the small ones, as very little is yet known of them; and every observation, if carefully made, will some day help to show what they are."
- William John Wills
(Related: Day, Help, Importance, Observation, Will)
"Hollywood is a place where they place you under contract instead of under observation."
- Walter Winchell
(Related: Hollywood, Observation)
"No matter what a woman's appearance may be, it will be used to undermine what she is saying and taken to individualize - as her personal problem - observations she makes about the beauty myth in society."
- Naomi Wolf
(Related: Beauty, Society, Appearance, May, Myth, Saying, Will, Woman)
"I am appalled at the state of discord in the field of climate science. There is no observational evidence that the addition of anthropogenic greenhouse gas emissions have caused any temperature perturbations in the atmosphere."
- George T. Wolff
(Related: Science, Climate, State)
"The telephone, which interrupts the most serious conversations and cuts short the most weighty observations, has a romance of its own."
- Virginia Woolf
"Surely it is time to examine into the meaning of words and the nature of things, and to arrive at simple facts, not received upon the dictum of learned authorities, but upon attentive personal observation of what is passing around us."
- Francis Wright
(Related: Nature, Time, Facts, Meaning, Observation, Words)
"We have seen that no religion stands on the basis of things known; none bounds its horizon within the field of human observation; and, therefore, as it can never present us with indisputable facts, so must it ever be at once a source of error and contention."
- Francis Wright
(Related: Religion, Contention, Error, Facts, Observation, Present)
"I think most people see drawing as subservient to the subject, a sort of meditation, a studying, a searching observation, in my case, for its own sake."
- Peter Wright
(Related: People, Meditation, Observation)
"From the standpoint of observation, then, we must regard it as a highly probable hypothesis that the beginnings of the mental life date from as far back as the beginnings of life at large."
- Wilhelm Wundt
(Related: Life, Beginnings, Observation)
"Hence, even in the domain of natural science the aid of the experimental method becomes indispensable whenever the problem set is the analysis of transient and impermanent phenomena, and not merely the observation of persistent and relatively constant objects."
- Wilhelm Wundt
(Related: Science, Observation)