Mathematics is a collaborative endeavor. No one does it alone.
数学是一项协作的努力。没有人可以单独完成。
文件就像定期保险:它令人满意,因为几乎没有人订阅它取决于它的利益。
The difference between ordinary and extraordinary is that little extra.
I don't have time to hate people who hate me, because I'm too busy loving people who love me.