自然界和道德世界是人类理性关注的双重对象。
The natural and moral world is the two-fold object of man's rational care.
The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.
The strength of a response tendency depends on the amount of reinforcement received.
I don't want to be a legend; I want to be a memory.
我不是说唱歌手,我是一个活着的传奇。