数学中最深刻的发现往往来自于对最基本假设的质疑。

世界上充满了微小的善意，只要你知道在哪里寻找。

The role of the infinitely small in nature is infinitely large.

The more you know yourself, the more patience you have for what you see in others.

我来自那里。我来自这里。我不在那里，我也不在这里。