Don’t let success go to your head or failure go to your heart.

The secret of happiness，you see，is not found in seeking more，but in developing the capacity to enjoy less.

If my doctor told me I had only six minutes to live, I wouldn’t brood. I’d type a little faster.

The challenge in learning is not just to memorize, but to generalize from specific examples to broader concepts.

Every fall is for a better stand up.