每一次挫折都是为东山再起做的准备。

我不是一个完美的人，我从来没有声称过。但我每天都在努力变得比昨天更好。

In business, you have to be willing to take risks, but they must be calculated risks.

You just once young but may be immature indefinitely.

The story of chemistry is the story of humanity’s quest to understand the world.