"Silence is a source of great strength."

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

"Patience is the companion of wisdom."

"Common sense is not so common."

"In a gentle way, you can shake the world."

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

"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..."