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

"Common sense is not so common."

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

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

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

"Patience is the companion of wisdom."

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

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