"Silence is the language of those who have seen too much."

You cannot swim for new horizons until you have courage to lose sight of the shore.

If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

"Success is a lousy teacher. It seduces smart people into thinking they can't lose."