Better to have the seeds of humanity spread across many baskets, rather than in a single one that is perpetually endangered by an unlucky intersection with a ro

Better to have the seeds of humanity spread across many baskets, rather than in a single one that is perpetually endangered by an unlucky intersection with a rock. Who knows if we'll ever be able to actually get outside our local system, but we're never going to figure out how to do it if we can't even setup shop in the cosmic equivalent of our front yard.