What you get by achieving your goals is not as important as what you become by achieving your goals. At your funeral people will not recall what you did; they will only remember how you made them feel.
数学家的模式,就像画家或诗人的模式一样,必须是美丽的。
"You can't go back and change the beginning, but you can start where you are and change the ending."
The poet is a man who can find beauty in the ugliest of things.