Be of the same mind one toward another. Mind not high things, but condescend to men of low estate. Be not wise in your own conceits.
All Commentaries on Romans 12:16 Go To Romans 12
Peter of Alexandria
AD 311
Then, fired with a holy zeal, gave themselves up to this, using much boldness, and especially when they saw those who were drawn aside and lapsed, on their account they were roused mightily within, and, as it were by some inward voice, impelled to war down and subdue the adversary who was exulting; for this they earnestly contended, that he might not seem "to be wise in his own conceit"