The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.

Truth, like gold, is to be obtained not by its growth, but by washing away from it all that is not gold.

古代的毛嫱、西施，虽然她们是天下的美人，但在满面怒容的时候，人家是看不出她们的美貌来的。鲁迅曾说“世间最可厌恶的事莫如一张生气的脸；世间最下流的事莫如把生气的脸摆给旁人看，这比打骂更难受”，开心的时候，几乎每个人都是慈眉善目，但最能显露一个人修养的，却是他生气的时候，即使盛怒，也不摆脸色给别人看，这是最佳的人品。

艺术中没有规则，只有后果。