“But when we look back beyond our agricultural revolution into the human past, we no longer understand what people had in mind. We don’t understand what they had in mind as they lived through tens of thousands of years without trade and commerce, without empires or kingdoms or even villages, without accomplishments of any kind.” “That’s very true. I’d say it’s our impression that they didn’t have anything in mind. It’s not that we don’t understand it, it’s that there was nothing there to be understood.”
