Look outside. See that tree? The chances of it growing there on that spot, on this planet, circling this star, in this galaxy, among the billions of galaxies in the known universe, are so incredibly small it seems to have meaning, but that meaning is only a figment of your imagination. You are drawing a bull’s-eye around a cluster on a vast barn. The odds of it being there are no less astronomical than the odds of it being in the patch of dirt beside it. The same is true if you looked out onto a desert and found a lizard, or into the sky and found a cloud, or into space and saw nothing but
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