You should learn from your competitor, but never copy. Copy and you die.

There are no solutions. There are only trade-offs.

The way we measure economic success must evolve to reflect the realities of people’s lives.

We are all just passing through, and the world is indifferent to our passing.

我们这年代的人读书太多而不聪明，想得太多而不美丽。

数学是宇宙书写的语言。

我对自己的工作如此着迷，以至于几乎等不及早上起床就开始工作。

The better you feel an emotion, the less you can express it.

我不担心别人怎么想，我只是出去尽我所能。

And when you’re down in the hole， when that moment comes， it’s really okay to feel bad for a little while. Give yourself time to mourn what you think you may have lost but then here’s the key， learn from every mistake because every experience， encounter， and particularly your mistakes are there to teach you and force you into being more who you are. And then figure out what is the next right move.