Figuring out how to think about the problem.
The intuitive mind is a sacred gift.
Don't listen to the person who has the answers; listen to the person who has the questions.
Science will stagnate if it is made to serve practical goals.
The world is in greater peril from those who tolerate or encourage evil than from those who actually commit it.
Never lose a holy curiosity. Try not to become a man of success but rather try to become a man of value. He is considered successful in our day who gets more out of life than he puts in. But a man of value will give more than he receives.