君子之泽，五世而斩。
君子的影响，五代以后就断绝了。
"It is easy to forget how full the world is of people, full to bursting, and each of them imaginable and consistently misimagined."
The arithmetic of modular forms is a key to understanding the deeper mysteries of number theory.
The greatest hazard of all, losing one’s self, can occur very quietly in the world, as if it were nothing at all.