每一个优秀的数学家至少是半个哲学家，而每一个优秀的哲学家至少是半个数学家。

The process of writing can be magical. Mostly, you'll be staring at the computer screen trying not to distract yourself with the internet. But sometimes, if you're lucky, inspiration will come.

用互联网的方式做手机。

Sustainability isn't a choice anymore—it's a responsibility we owe to future generations.

Nothing is certain， and nothing is impossible.

宇宙不仅比我们想象的更奇怪，而且比我们能够想象的还要奇怪。