我想在世界上留下印记，哪怕只是一个微小的圆点。

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

Don’t be afraid to start over.

The only limit to our realization of tomorrow is our doubts of today.

想象力是我们对抗现实的最强大武器。