我不需要理由去变得伟大。

在暴君有权杀死一个国家的权利被证明之前，一个国家在必要时杀死暴君的权利永远不会被怀疑。

A building should touch the earth lightly.

Precision is not just a goal in our experiments; it's the very language through which nature speaks to us.

The Internet is a powerful tool for education, but it is not a substitute for the teacher.

可以通过对过去事件的观察，形成对未来事件概率估计的一般规则。