The ideal of behaviorism is to eliminate coercion: to apply controls by changing the environment in such a way as to reinforce the kind of behavior that benefits everyone.

The greatest hazard of all, losing one’s self, can occur very quietly in the world, as if it were nothing at all.

The past is never dead. It's not even past.

一般人的毛病，就是容易受局部的蒙蔽，因而不能明白大道理。眼光不妨放长远一些，站得高一些，能看得更广，格局更大。

DNA的语言是通用的，但它的应用却极具个人性。