自我不是现成的东西，而是通过行动选择不断形成的东西。

To tax the larger incomes at a higher percentage than the smaller， is to lay a tax on industry and economy； to impose a penalty on people for having worked harder and saved more than their neighbors.

经济学方法为理解所有人类行为提供了一个有价值的统一框架。

The heart is a labyrinth of forgotten desires.

Leadership is about inspiring others to see the potential within themselves.

宇宙没有义务让我们理解它。