做伟大的工作的唯一方法就是热爱你所做的事情。

人们哭泣比改变要容易得多。

Men become old, but they never become good.

我们都以幸福为目标生活；我们的生活各不相同，却又相同。

The chemical industry is the backbone of modern civilization, and we must treat it with the responsibility it deserves.

Fairy tales are more than true: not because they tell us that dragons exist, but because they tell us that dragons can be beaten.

The best way to have a good idea is to have a lot of ideas.

No matter how good you get you can always get better, and that's the exciting part.