Purposive behavior in animals and men.

I always say, decisions I make, I live with them. There’s always ways you can correct them or ways you can do them better. At the end of the day, I live with them.

我曾经受苦过，曾经失望过，曾经体会过“死亡”，于是我以我在这伟大的世界里为乐。

内省的方法必须严格控制。