To understand behavior, look for the utility in it.
The past is a foreign country; they do things differently there.
The more we study the more we discover our ignorance.
没有艺术;没有文学;没有社会;最糟糕的是,持续不断的恐惧和暴力死亡的威胁;人的生活孤独、贫困、肮脏、野蛮而短暂。