Men and women differ in their reproductive strategies because they have faced different adaptive problems throughout evolutionary history.

生活中只有两种悲剧：一个是没有得到我们想要的，另外一个是得到我们想要的。

安逸是智慧的危害；胆怯是勇敢的仇敌。

语言既是桥梁也是障碍，它连接我们也分隔我们。

Because we are food for worms, lads. Because, believe it or not, each and every one of us in this room...is one day going to stop breathing, turn cold and die.

The secret of change is to focus all of your energy, not on fighting the old, but on building the new.

人生不能像做菜，把所有的料都准备好了才下锅。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.