幸福不能被追求；它必须随之而来。

The most important political development of the modern era is the rise of the modern state.

A ship in port is safe, but that is not what ships are built for.

伤害我们的并非我们的遭遇，而是我们对此的回应。

可持续农业不是成本，而是我们能做的最明智投资。