"He who has a why to live can bear almost any how."

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

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

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

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

"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."

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