Origen

“ Those who are disposed to learn, must know that the word of God nowhere says of evil things that they belong to God, for it judges them unworthy of such a Lord. Accordingly, it is not all men who bear the name of “men of God,” but only those who are worthy of God,—such as Moses and Elias, and any others who are so called, or such as resemble those who are so called in Scripture. ”

“ He must either show that this distinction of good and bad among angels and men has no foundation, or else that a similar distinction may be shown to hold among demons. If that is impossible, it is plain that demons do not belong to God ”