It had been his habit for years to step out into the relative quiet of the back yard before going up to bed and to gaze for a minute at the implausible spatter of stars; it was a knife edge of possibility, he knew, that allowed these fiery bodies to be in the sky, for had the primeval fireball been a shade more homogeneous no galaxies could have formed and had it been a shade less the galaxies would have billions of years ago consumed themselves in a heterogeneity too rash. He would stand by the corroding portable barbecue grill, never used now that the kids were gone, and remind himself to
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