The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

The choices we make today will shape the world of tomorrow.

译文：能写文章的人，善于引用名言，虽只寥寥数语，却起到了画龙点睛的作用，使文章读起来更加优美、更加动人。