我们从这样的假设开始：任何学科都可以以某种智力上诚实的形式有效地教给处于任何发展阶段的任何孩子。
We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.
The past is a foreign country; they do things differently there.
要是这世上少点同情心，这世界就不会有那么多麻烦。.
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
我对钱不感兴趣，我只想变得精彩。
"The past is always with us, but it doesn't have to define us."