Every artist is a cannibal, every poet is a thief.

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.

勇气是所有美德中最重要的，因为没有勇气，你就无法始终如一地实践其他美德。

History is a nightmare from which I am trying to awake.

我不认为每个人都应该成为数学家，但我确实相信许多学生没有给数学一个真正的机会。