应对不自由世界的唯一方法，就是变得如此绝对自由，以至于你的存在本身就是一种反抗。

Collaboration in mathematics is essential; no one can solve all the problems alone.

宝贝，这些我都经历过来了，我是个勇敢的母亲。

尽一切职责，而不希望得到任何回报。

Art doesn't have to be complicated to be good.

The less secure a man is, the more likely he is to have extreme prejudice.

Every person must have a thought that changes them, or a book, or a word, or a moment; and if they don't, their life is wasted.