对较大收入征收较高比例的税收，等于对工作和节俭征收了一项税收；对人们因为工作更努力、储蓄更多而征收罚款。

The primary rules of obligation are those that require or forbid certain actions.

Consciousness serves the organism's need to interact effectively with its world.

最好的解决方案往往是最简单的。

接受责任的能力是衡量一个人的标准。