You cannot demand military service of Christians any more than you can of priests. We do not go forth as soldiers with the Emperor even if he demands this.
OrigenGod puts Christ's enemies as a footstool beneath His feet, for their salvation as well as their destruction.
OrigenBut 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.
OrigenSeeing there are many who think they hold the opinions of Christ, and yet some of these think differently from their predecessors, yet as the teaching of the Church, transmitted in orderly succession from the apostles, and remaining in the Churches to the present day, is still preserved, that alone is to be accepted as truth which differs in no respect from ecclesiastical and apostolica tradition.
Origen