对感受者而言，生活是悲剧；对思考者而言，生活是喜剧。
Life is a tragedy for those who feel, and a comedy for those who think.
I don't take anything for granted.
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 mind is nature's answer to the challenges of existence.
We try to buy stocks that are undervalued, and then we wait for the market to recognize their value.
生命的意义在于我们如何赋予它意义。
In the end, we will remember not the words of our enemies, but the silence of our friends.
