希望是人类最美好的拥有，只要自己不放弃，希望就会永远相伴相随。
Hope is the most beautiful people have, as long as they do not give up,hope will always be accompanied by.
Neither the life of an individual nor the history of a society can be understood without understanding both.
在计算机科学中，抽象是管理复杂性的关键。
最伟大的文学作品是那些将美与实用结合的作品。