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

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

"Common sense is not so common."

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

"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 thing I know is that I know nothing."

"Patience is the companion of wisdom."