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.

如果生活不有趣，那将是悲剧的。

模形式的算术是窥探宇宙隐藏结构的窗口。

怀疑是受过教育的头脑的标志，甚至是姿态。

基础结构决定论原则认为，社会文化系统的结构受人口、技术和环境相互作用的影响最为强烈。

衡量一个领导者的真正标准不是他们有多少追随者，而是他们培养了多少领导者。

理解他人，现实的唯一方法是自己去体验。