A book is a version of the world. If you do not like it, ignore it; or offer your own version in return.

Every challenge in energy production is an opportunity to innovate and improve.

Happiness ain't a thing in itself --- it's only a contrast with something that ain't pleasant. That's all it is.

农业的可持续性不是一种选择，而是生存的必需。

——抵日本神户时谈话，1895年11月12日

诗人是见证者，而非审判者。

成功是一种心态。如果你想成功，就要开始把自己看作一个成功者。