如果你想改变世界，先从改变思维方式开始。

催化不仅仅是让反应更快，而是让反应更好。

Great leaders listen more than they speak.

可持续发展不仅仅是一个流行词，而是我们对后代的责任。

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

Anyone who keeps the ability to see beauty never grows old.

Your most unhappy customers are your greatest source of learning.