"Understanding the limits of computation is as important as understanding the limits of mathematics."
Ask not what your country can do for you --ask what you can do for your country.
如果我能影响那位应该主持所有孩子洗礼的善良仙女，我会要求她给世界上每个孩子的礼物是一种永不磨灭的惊奇感，使之持续一生。
学者必须自信，既然自信，无论如何也无法被剥夺。