"Common sense is not so common."

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

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

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

"It is the mark of an educated mind to be able to entertain a thought without acc..."

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

"Silence is a source of great strength."

"The mind is everything. What you think you become."