" I’ve said that if there are still people here in 200 years, they won't be living the way we do, because if people go on living the way we do, there will BE no people here in 200 years. I stand by every word of this. That’s how people WON’T be living. But what about how they WILL be living? What I’ve said in the past is that I could no more say how people will be living in 200 years than Thomas Aquinas could have said how people would be living in the Renaissance 200 years later. I spoke the truth when I said that. I truly couldn’t at that time say how people will be living (if there are still people here in 200 years). I must now make only this change: Now I DO know how people will be living if there are still people here in 200 years. They will be living like the people in this book. Not all living one single way (for it remains true that there is no one right way for people to live), but they’ll all be living in ways that work. Because, "

― Daniel Quinn , The Invisibility of Success: Black & White Edition