The only way the future is better is if we solve some new problems between now and then. So there's no "imagining a better future" without anticipating the exis

The only way the future is better is if we solve some new problems between now and then. So there's no "imagining a better future" without anticipating the existence of both problems and their solutions. And you don't run out of problems. When you solve some problems, you're left with better problems than the ones you just solved. You might not yet know about the new better problems, but rest assured they're there.