Loneliness is the poverty of self; solitude is the richness of self.

发愤研究学问，常常忘记吃饭，一旦有所收获便又高兴地忘记了忧愁，连自己的渐趋衰老也没有感觉到。

只要有模块化的地方，就有可能产生误解：隐藏信息意味着需要检查沟通。

Envy is a really stupid sin because it’s the only one you could never possibly have any fun at. There’s a lot of pain and no fun. Why would you want to get on that trolley?