The thought has surely occurred to many people throughout the ages: what if there is an afterlife but no god? What if there is a god but no afterlife? As far as I know, the clearest writer to give expression to this problem was Thomas Hobbes in his 1651 masterwork Leviathan.Hobbe's command of both holy scripture and the English language is quite breathtaking. He also reminds us of how perilous it was, and always has been, even to think about these things.
Thomas Hobbes