可持续的做法不仅对地球有益；从长远来看，它们对业务也有好处。

Success is not final, failure is not fatal: It is the courage to continue that counts.

椭圆曲线的算术是数论中更深层结构的一个缩影。

The concept of a legal system presupposes the concept of a rule.

The poor dream all their lives of getting enough to eat and looking like the rich. And what do the rich dream of? Losing weight and looking like the poor.

I can't relate to lazy people. We don't speak the same language.I don't understand you. I don't want to understand you.

时节不寒冷，就不会知道松柏挺拔且郁郁葱葱的；事情不危难，就不会知道君子每日都在持守信念。