The total amount of suffering per year in the natural world is beyond all decent contemplation.

I don’t think about being the best, I think about being better than yesterday.

The true value of a forest isn’t just in its timber, but in its ability to sustain life.

 释义：不和他人去争名利上的得与失，只求自己能够拥有和增长智慧与才干。

心理学的目的是理解我们如何应对世界。

The worst of all deceptions is self-deception.