In individuals, insanity is rare; but in groups, parties, nations, and epochs, it is the rule.
在个体中,疯狂是罕见的;但在团体、党派、国家和时代中,它却是常规。
The study of the mind must be strictly empirical.
当你认识到这个世界上的美好时,你就不再是奴隶了。