最好的学习方式就是从错误中吸取教训。
The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.
社会结构因此被定义为实际存在的社会关系的总网络。
Representation theory provides the language in which many number-theoretic phenomena can be expressed.
I think it's important to take risks in life. If you don't take risks, you'll never grow.
The best way to predict the future is to create it.