成功不是终点，而是不断进步的过程。

The art of progress is to preserve order amid change and to preserve change amid order.

I'm not a rapper, I'm a mind changer.

Time is dead as long as it is being clicked off by little wheels; only when the clock stops does time come to life.

Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.

死者是最执着的历史学家。

I don't like to lose money, so I try to buy stocks that are cheap.