Gottfried Leibniz , German philosopher
said about Experience, Nature, Idea, Possibility, Cause, Fact, Reason...
"I hold that the mark of a genuine idea is that its possibility can be proved, either a priori by conceiving its cause or reason, or a posteriori when experience teaches us that it is in fact in nature."
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"I hold that the mark of a genuine idea is that its possibility can be proved, either a priori by conceiving its cause or reason, or a posteriori when experience teaches us that it is in fact in nature."- Gottfried Leibniz