"The only thing we have to fear is fear itself."

"The mind is everything. What you think you become."

"Judge a man by his questions rather than his answers."

"To know what you know and what you do not know, that is true knowledge."

"It is not that I'm so smart. But I stay with the questions much longer."

"Patience is the companion of wisdom."

"A wise man can learn more from a foolish question than a fool can learn from a w..."

"The measure of intelligence is the ability to change."