By this criterion, for example, Napoléon was not truly great, since he might have died of the flu as a child in Corsica instead of growing up to conquer Europe. Indeed, if his parents had arranged their schedule of sexual congress differently, Napoléon might not have existed at all. Now, a maximally great being is one whose greatness is unexcelled in every possible world. Such a being would, if it existed, be omniscient, omnipotent, and perfectly good.
