人的心智是如此构造，以至于能够对事件的概率形成判断。

Design is not just about how something looks, but how it works.

"History is not just about the past; it's about understanding the present and shaping the future."

If a Nation expects to be ignorant and free in a state of civilization,it expects what never was and never will be....If we are to guard against ignorance and remain free,it is the responsibility of every American to be informed."

在地球物理学中，我们处理的是物理原理在地球研究中的应用。