理性是感性的镜子。

In computer science, we stand on the shoulders of giants, but we must also be willing to question their assumptions.

都是出卖，卖给中原各国也可以，何必非要卖给越国呢？ 

真相并不总是美丽的，美丽的言辞也不一定是真相。

Environmental protection is the social responsibility of an enterprise.

The concept of freedom is inseparable from the concept of truth.