煤炭不仅仅是一种商品，它是对美国未来的承诺。

食物的未来取决于我们今天如何对待土壤。

I don't believe in anything, and that's the only thing I believe in.

Art should disturb the comfortable and comfort the disturbed.

如果你无所畏惧，你会怎么做？

2000年10月29日，在南京大学捐资设立杨振宁奖学金时，杨振宁表示，虽然我父亲是大学教授，但因为通货膨胀，家里很穷，生活很艰苦，是奖学金帮我度过了难关。近几年多次在大陆访问，看到不少青年学生因家境困难而影响学业，感到很伤心，所以就有了这么个想法。杨振宁说

A play is not an essay, nor should it be treated as such.

It is forbidden toLove truth only when she shines on you； but when she turns to go away from you， let her go.

All men are immortal， but those who are not educated are immortal in a lower and less enviable sense.

教学最重要的部分是教导什么是知识。