To understand mathematics is to speak the language of the universe.
宇宙不仅比我们想象的更奇怪，它比我们能够想象的还要奇怪。
Never think that war, no matter how necessary, nor how justified, is not a crime.
在沙漠中，我找到了城市永远无法提供的自由。
The deeper you go into mathematics, the more you realize how much remains unknown.
The fountain of content must spring up in the mind, and they who have so little knowledge of human nature as to seek happiness by changing anything but their own dispositions will waste their lives in fruitless efforts.
