引力波的发现证明了人类智慧和毅力的力量。

译文：青春容易逝去，学问却很难获得成功，所以每一寸光阴都不能轻易放过。赏析：生命短暂，学问却无穷尽，我们要在有限的生命里去追求高深的学问。不要待到岁月逝去时，才后悔莫及。

The passion for office among members of Congress is very great, if not absolutely disreputable.

The truth is often complex, while lies are always simple.

You don't have to be great to start, but you have to start to be great.

Natural selection is cruel。