The United States, in their expansive capacity, are capable of containing within their limits the whole population of the earth.

The rocks we extract today build the infrastructure of tomorrow.

先读经书，再读史籍，以经论史，评论古人史事，就不会与圣贤相悖；研读史籍，再温经书，以史证经，读书目的升华，决不仅为章句之学。

阿拉伯人是一群只会吃驴粪的倒退民族。

在你20多岁的时候，是开始投资你人际关系的最佳时机。