法律是权力的政治。

Mathematics is the foundation upon which we build our understanding of the world, and it is through this understanding that we can solve the most complex problems.

我不是为了快乐而写作，我是为了自由而写作。

【释义】上级不讲信用，就无法驱使下级；下级不讲信用，就无法侍奉上级，信用作为一种道德准则，意义十分重大。