经验是我们给自己的错误取的名字。

I will hazard a prediction. When you are 80 years old， and in a quiet moment of reflection narrating for only yourself the most personal version of your life story， the telling that will be most compact and meaningful will be the series of choices you have made. In the end， we are our choices. Build yourself a great story.

写作是作证。

The beauty of mathematics only shows itself to more patient followers.

真実はいつも一つではない。

为了练习，神首先造了傻子，然后祂创造了教育委员会。