Those who make peaceful revolution impossible will make violent revolution inevitable.

世界称之为不道德的书，是那些展示世界自身羞耻的书。

The study of mathematics is like air or gravity – it’s everywhere, even if you don’t see it.

Opposition brings concord. Out of discord comes the fairest harmony.

The house,the stars,the desert,what givethem their beauty is something that is invisible.

管理是把事情做对，领导是做对的事情。