The best way to learn mathematics is to do mathematics.

我是个拼命三郎，我只想让你知道。

不管你有没有名气，我都会一视同仁。

The truth is that we are all alone in the world.

The world is a great garden, and we are the flowers.

The difference between correlation and causation is not just academic—it can have profound policy implications.

让项目更快完成的最好方法是尽早开始。