少年十五二十时，步行夺得胡马骑。
出自王维《老将行》，烽火戏诸侯在作品中引用
The beauty of mathematics lies in its ability to simplify complex problems.
Every new planet we find is a step closer to answering the age-old question: Are we alone in the universe?
一个人的富有程度与他能置之不理的事物的数量成正比。