True leadership is about inspiring others to achieve more than they thought possible.

如果你想保护珍贵的东西，就必须把它锁起来，然后把钥匙扔掉。

This was a very short visit, but it plunged the little prince into deep dejection.

Human beings, viewed as behaving systems, are quite simple. The apparent complexity of our behavior over time is largely a reflection of the complexity of the environment in which we find ourselves.

你永远无法真正理解一个人，除非你从他的角度考虑问题。

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。