人类并不是逻辑的，他的智力历史是心理储备和妥协的记录。即使在被迫放弃逻辑基础时，他仍然坚守他在旧信仰中能够坚持的部分。
Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.
效率是把事情做对；效果是做对的事情。
In mathematics, as in life, the most profound discoveries often come from asking the simplest questions.
The labor market does not exist in a vacuum; it is shaped by culture, policy, and history.
Have you given any thought to your future？
let everyone else call your idea crazy, just keep going, don't stop, don't even think about stopping until you get there, and don't give much think of where "there" is.