Always be learning. The market is constantly changing, and you need to keep up with it.
The arithmetic of L-functions is a key to unlocking the secrets of the universe.
最好的想法像笑话一样出现。让你的思维尽可能有趣。
一个试图教学而不激发学生学习欲望的教师,就像在冷铁上敲打。