People always say that you can't please everybody. I think that's a cop-out. I think if you work hard enough, you can please everybody.

Power resides where men believe it resides. It's a trick, a shadow on the wall. 

不是关于想法，而是关于实现想法。

社会大脑假说认为，我们的智力进化是为了管理复杂的社会生活。