儿童通过自立获得身体的独立；通过自由的使用其选择能力获得意志上的独立；通过没有干扰的独立工作获得思想上的独立。

数学的快乐来自创造的行为，而不仅仅是结果。

教学的艺术是帮助发现的艺术。

我对自己的工作如此着迷，以至于几乎等不及早上起床就开始工作。

水稻的未来在于杂交水稻技术。

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.

Memory is a tricky thing. It doesn't just recall events, it reshapes them.

To write is to confront the ghosts of memory.