千里之行，始于足下。

We are at a unique stage in our history. Never before have we had such an awareness of what we are doing to the planet, and never before have we had the power to do something about it.

It is to the credit of human nature, that, except where its selfishness is brought into play, it loves more readily than it hates.

学校必须是一个让孩子学会尊重权威并接受纪律的地方，这些纪律对于发展他自身的能力是必要的。

我不是榜样...仅仅因为我会唱歌并不意味着我应该抚养你的孩子。