"History is not just about the past; it's about how the past shapes the present."
Intelligence is not the ability to store information, but to know how to use it.
发现的快乐无疑是推动科学前进的动力。
写作是从无到有创造东西的一种方式。
读书不体验认识,就好像闪电照物,一点都抓不到;读书不能身体力行,就像水上行车、陆上行舟、一点用处都没有。