美德与伟大不能兼得。
Good and great are seldom in the same man.
The most important thing in communication is hearing what isn't said.
The heart is a fragile thing, easily broken, but also capable of great strength.
古代著书立说的人,都有卓越的见解而自成一家,后世无法轻易改变。
定义就是限制。