You don't write because you want to say something, you write because you have something to say.

时间不是线性的；它是一个循环。

In the short run, the market is a voting machine but in the long run, it is a weighing machine.

The men who learn endurance, are they who call the whole world, brother.

The secret to success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you’re in control of your life. If you don’t, life controls you.

In mathematics, the simplest questions often lead to the most profound discoveries.

宇宙的扭曲面——黑洞、虫洞、奇点等——对我如此吸引，因为它与日常生活中的平坦欧几里得几何如此不同。