The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.
Everything should be built top-down, except the first time.
No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
生活是一系列自然和自发的变化。不要抗拒它们;那只会带来悲伤。让现实成为现实。让事物以它们喜欢的方式自然流动。