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。
"It is easy to forget how full the world is of people, full to bursting, and each of them imaginable and consistently misimagined."
让你难过的事情，有一天，你一定会笑着说出来。
数学之美不在于其复杂性，而在于其简洁性以及它揭示的关于宇宙的深刻真理。
The most interesting art is the art that asks questions.