Leadership is about inspiring others to achieve what they thought was impossible.

A gentleman is one who puts more into the world than he takes out.

The companies that will thrive are those that see plastic not as waste, but as a renewable resource.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

There's nothing more American than a coal miner.

不要让别人意见的噪音淹没了你内心的声音。

I don't let anyone control me.

译文：专门注重修养内心的人每天都会看到自己的不足，专门注重增长见识的人每天都会看到自己的长处。每天看到自己不足的人会逐渐变得有长处，每天看到自己有长处的人会逐渐变得有不足。