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

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

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

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

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

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

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

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