"Science is organized knowledge. Wisdom is organized life."

"The only thing I know is that I know nothing."

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

"Common sense is not so common."

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

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

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

"Patience is the companion of wisdom."