世界不会记住你说过什么,但会记住你做过什么。
He is born in a good hour who gets a good name.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
Every mathematical problem has a solution; it's just a matter of finding the right perspective.
今天对自由民主最严重的威胁不是来自外部,而是来自内部。