Suppose that humans one day (whether 20 or 200 years from now) create far more advanced technology, with power sufficient to reshape what the world is like, and even to determine what humanity becomes. If that comes to pass, we’re going to be in trouble unless we also reach a better understanding of our own values and resolve the inconsistencies in them. We don’t have sufficient clarity on our values to say what the ideal world looks like. So if we ever have the power to truly redesign the w...