"By three methods we may learn wisdom: first, by reflection, which is noblest; se..."

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

"The only true wisdom is in knowing you know nothing."

"He who has a why to live can bear almost any how."

"We don't see things as they are, we see them as we are."

"The fool doth think he is wise, but the wise man knows himself to be a fool."

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

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