"A mathematician is a device for turning coffee into theorems."
The key to performance is elegance, not battalions of special cases.
解释:善念不可轻易丧失,恶念不能肆意滋长。
The study of mathematics is like air or gravity – it’s everywhere, even if you don’t see it.
Pain is temporary, but pride is forever.
The value of freedom is truly understood only when lost.