Humans may or may not have cosmic significance, and if they do, it will be by hitching a ride on the objective centrality of knowledge in the cosmic scheme of things.
David DeutschI myself believe that there will one day be time travel because when we find that something isn't forbidden by the over-arching laws of physics we usually eventually find a technological way of doing it.
David DeutschFeeling insignificant because the universe is large has exactly the same logic as feeling inadequate for not being a cow.
David Deutsch