I choose a lazy person to do a hard job. Because a lazy person will find an easy way to do it.

数学的本质在于它的自由。

There is only one real sin, and that is to persuade oneself that the second-best is anything but the second-best.

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。