Oecumenius

"The beast which you saw, was and is not, and is about to rise up out of the abyss," he says. For the Devil had indeed been, before the existence of the sensible world, made by God for good works, like the other glorious angels; but it is not shown in what respect the evangelist indicates concerning the things about the end of the age, in which he will go into the fire prepared for him and his angels. For to be in these things is not properly to be. …

Commentary on Revelation ↗