The difference between animals and humans is that humans are capable of reasoning, but even that is unreliable.
动物和人类的区别在于人类能够推理,但即便如此也是不可靠的。
We all have our own little secrets, our own little shames.
The division of labor in manufacturing is the great principle by which we gain advantage over other nations.
理解人类认知的关键在于理解符号是如何被操作的。
我们必须超越碳信用——真正的影响来自全面的土地管理。