年轻时，你以为世界是一个可以随心所欲生活的地方。但随着年龄增长，你意识到世界是一个你必须按照必须的方式生活的地方。

抑郁症是最能体现当前意识形态时刻的状况。

The more you give, the more you receive

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

Sustainable development requires balancing short-term profits with long-term value creation.

Psychology must be a science of description, not explanation.

我不是数学的英雄。我甚至没有那么成功；这就是为什么我不希望每个人都看着我。