个体是唯一的现实。我们越是远离个体，走向关于智人的抽象概念，我们就越可能陷入错误。
The individual is the only reality. The further we move away from the individual toward abstract ideas about Homo sapiens, the more likely we are to fall into error.
贪婪和对权力的渴望带来了战争和世界上的困扰。