"Patience is the companion of wisdom."

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

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

"Knowing yourself is the beginning of all wisdom."

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

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

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

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