Origen — Theologian

Origen, or Origen Adamantius, was a scholar and early Christian theologian who was born and spent the first half of his career in Alexandria. He was a prolific writer in multiple branches of theology, including textual criticism, biblical exegesis and hermeneutics, philosophical theology, preaching, and spirituality written in Greek... (wikipedia)

Now the true soldiers of Christ must always be prepared to do battle for the truth, and must never, so far as lies with them, allow false convictions to creep in.
The power of choosing good and evil is within the reach of all.
This opinion, however, is held by most, that the devil was an angel, and that, having become an apostate, he induced as many of the angels as possible to fall away with himself, and these up to the present time are called his angels.
But the Wisdom of God, which is His only-begotten Son, being in all respects incapable of change or alteration, and every good quality in Him being essential, and such as cannot be changed and converted, His glory is therefore declared to be pure and sincere.
For if the mystery concealed of old is made manifest to the Apostles through the prophetic writings, and if the prophets, being wise men, understood what proceeded from their own mouths, then the prophets knew what was made manifest to the Apostles.