You can pay for school but you can't buy class.

最具创新性的解决方案往往来自于限制。

A commonwealth is said to be instituted when a multitude of men do agree， and covenant， every one， with every one， that to whatsoever man， or assembly of men， shall be given by the major part， the right to present the person of them all， that is to say， to be their representative.

I am not apt to follow blindly the lead of other men.  

城市是由其居民写就的一本书。

Technology must ultimately serve people and improve the quality of human life.

我不是说唱歌手，我是一个诺贝尔奖得主。