世界的整个问题在于愚蠢的人和狂热分子总是对自己如此确定，而聪明的人则充满疑虑。

I don't believe in principles, in case you haven't noticed.

The first step to getting what you want is having the courage to get rid of what you don’t.

每个个体都很重要。每个个体都有自己的角色。每个个体都能带来改变。