The individual is not accountable to society for his actions in so far as these concern the interests of no person but himself.

We are what we repeatedly do. Excellence, then, is not an act but a habit.

书籍是通往其他可能性的窗户。

Customer satisfaction should be the driving force behind every business decision.

当人们做不到一些事情的时候，他们就会对你说你也同样不能。