【释义】喜欢高谈阔论的人，会因为说话太多而失言。【延伸】祸从口出，言多必失，话太多的人，说得越多，往往错的就越多，而且，没有人会喜欢一个多嘴多舌的人。会说话是好事，要讲分寸，说过头了，还不如不说。

Memory is the only paradise from which we cannot be driven.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

You have to believe in your dreams before they can come true.

P与NP问题是计算机科学中最重要的一个问题之一。