It's easy to perform for others, but hard to perform for yourself.
所有生而为人者都需要教育,因为他们注定要成为真正的人,而非野兽、愚钝的动物或木头。
"To lose one parent may be regarded as a misfortune; to lose both looks like carelessness."
人心充满私欲,所以危险;道心符合天理,所以精妙。