Never stop learning, because the world never stops changing.

要将一个国家从最低级的野蛮状态带到最高度的富裕，所需的几乎只有和平、低税收和较为合理的司法管理。

The spread of liberal democracy has been accompanied by the spread of a global culture that is increasingly homogeneous.

"A man is rich in proportion to the number of things he can afford to let alone."

拥有朋友的唯一方式就是成为别人的朋友。

Every psychological phenomenon is a function of the whole organism adapting to its environment.

在互联网行业，唯一不变的就是变化本身。

实验室里的失败不是挫折，而是数据。