数学中最深刻的思想往往源于最简单的观察。

你必须愿意失败，愿意犯错，并不断尝试。

很容易忘记世界上有多少人，多到要爆炸，每个人都可想象却又总是被误解。

The clouds over the land now rose like mountains, and the coast was only a long green line with the gray blue hills behind it. The water was a dark blue now, so dark that it was almost purple.

The universe is not only stranger than we imagine, it is stranger than we can imagine.

教育的最高目标不是知识，而是行动。