一本书本身就是一个世界，一个在我们眼前展开的宇宙。

在观察的领域里，机遇只偏爱那种有准备的头脑。

The power elite is composed of men whose positions enable them to transcend the ordinary environments of ordinary men and women; they are in positions to make decisions having major consequences.

逆境造就天才。

农业的成功不仅仅关乎产量，还关乎为后代守护土地的责任。