Stars, too, were time travelers. How many of those ancient points of light were the last echoes of suns now dead? How many had been born but their light not yet come this far? If all the suns but ours collapsed tonight, how many lifetimes would it take us to realize we were alone? He had always suspected that the sky was full of mysteries - but not until now had he realized how full of them the earth was. And it is much more interesting to live not knowing than to have answers which might be wrong. He has approximate answers and possible beliefs and different degrees of uncertainty about different things, but he is not absolutely sure of anything and there are many things he doesn't know anything about, such as whether it means anything to ask why we're here. He doesn't feel frightened not knowing things, by being lost in a mysterious universe without any purpose, which is the way it really is as far as he can tell.
