It's kind of a misnomer about science fiction that science fiction is about anything other than people. It's about people doing stuff, sometimes doing extraordinary stuff.
Greg BearWe may exist in all universes, but 'hear' only one because of our limitations, the valve of our desires, our practical, physical needs. All is vibration, with nothing vibrating across no distance whatsoever. All is music. A universe, a world, is just one long difficult song. The difference between worlds is the difference between songs.
Greg BearThe price of freedomโof individualityโis attention to politics, careful planning, careful organization; philosophy is no more a barrier against political disaster than it is against plague.
Greg Bear