"I believe that as much as you take, you have to give back."

I don't believe in pessimism. If something doesn't come up the way you want, forge ahead. If you think it's going to rain, it will.

"The stories we tell about animals say more about us than they do about them."

The past is full of voices—we just have to listen.

精神科学不想推翻自然科学的结果，而是要完善它们。

所有他人身上让我们恼怒的事情，都能引导我们更好地理解自己。