Dean Kamen , American inventor
said about Time, Thought, Energy, Running, Worry, Years...
"My biggest worry is I'm running out of time and energy. Thirty years ago I thought 10 years was a really long time."
- Dean Kamen Read all Dean Kamen quotes, or find out more about Dean Kamen
"My biggest worry is I'm running out of time and energy. Thirty years ago I thought 10 years was a really long time."- Dean Kamen