外交就是将你的敌人变成朋友，而不是将你的朋友变成敌人。

想法是做出看起来像别的东西的东西。

We are all obsessed with the idea of the frontier, but it's a frontier that keeps receding.

I've never been a person that has been like, 'I want to be a role model.' But then you realize you are, and you have to be careful with what you say and do.

要给儿童提供一个使他们得到满足的环境，必须努力了解儿童的需要。