人总是比他已做的更多；他也是他能做的。

森林的真正价值不是用板英尺来衡量的，而是用生物多样性来衡量的。

"The books that the world calls immoral are books that show the world its own shame."

当不同的思想汇聚在一起时，真正的创新就会发生。

Psychology must be based on direct experience, not inference.

艺术是一种理解世界的方式。

The only way to have a friend is to be one.