The language of chemistry is universal, transcending borders and cultures.

The more we learn about our past, the better we understand our present.

爱是非理性的。你越爱一个人，就越觉得一切都没有意义。

Legal positivism emphasizes the separation of law and morality.

All the great things are simple， and many can be expressed in a single word： freedom， justice， honor， duty， mercy， hope.

根本不稳固必然会央及枝叶。行为不守信必然会损害声誉。