It had occurred to Rimford, at about the time he approached fifty, that the chief drawback in contemplating the enormous gulfs of time and space that constitute the bricks and mortar of the cosmologist is that one acquires a dismaying perception of the handful of years allotted a human being.

Charlie was not a believer. He did not expect to be called to account and assigned a score for what he had done or left undone. His parents had believed in a mechanical world, a place of evolving hardware and software, no deities need apply. We just haven’t figured it all out yet, his father was fond of saying. Things get more complex and we don’t know why. But that doesn’t mean we have to ascribe it to divine providence.

Faith has its price. When misfortune strikes the true believer, he assumes he has done something to deserve punishment, but isn’t quite certain what. The realist, recognizing that he lives in a Darwinian universe, is simply grateful to have made it to another sunset.