无论是正确的还是错误的，经济学家和政治哲学家的思想都比通常理解的有力。确实，世界不受其他任何事物统治。自信不被知识分子影响的那些所谓务实的人，往往只是几个过时经济学家思想的奴隶。（Concluding Notes. p. 383-384）
The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.
The best way to predict the future is to create it.
人类心智是一套信息处理机器，由自然选择设计来解决我们狩猎采集祖先面临的适应性问题。
Take responsibility for your life. Know that it is you who will get you where you want to go, no one else.
We must rethink our relationship with nature to ensure long-term survival.