音乐是一种不关乎世界的知识形式，它本身就是一个世界，有自己的规则和真理。

You have to believe in yourself when no one else does.

Leadership is about making tough decisions and standing by them, even when they are unpopular.

The least I can do is speak out for those who cannot speak for themselves.

The only thing I know is that I don't know anything.

Happiness ain't a thing in itself --- it's only a contrast with something that ain't pleasant. That's all it is.