To be Irish is to know that in the end the world will break your heart.

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.

"The challenge in computer science is not just to solve problems, but to find the right problems to solve."

数字是形式和思想的统治者。

生活是世界上最罕见的事情，大多数人只是存在而已。