——1996年5月29日在哈佛大学演讲

我不是一个商人；我就是生意，伙计。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

Modern quarrying requires us to be geologists, ecologists, and community diplomats simultaneously.

小说是一面行走在路上的镜子，不仅反映世界，也反映读者的灵魂。

科学不在于永远正确，而在于逐渐减少错误。

书籍是最好的老师。