The worst sin toward our fellow creatures is not to hate them, but to be indifferent to them: that's the essence of inhumanity.
The only limits you have are the ones you set for yourself.
你遇见的每一个人,都对某些你一无所知的东西了如指掌。你要做的就是去发现那是什么东西,当然那并不会很明显。