Romans 8:6

Irenaeus Against Heresies Book I

Animal men, again, are instructed in animal things; such men, namely, as are established by their works, and by a mere faith, while they have not perfect knowledge. We of the Church, they say, are these persons.[82]

Tertullian On the Resurrection of the Flesh

But the condemnation of sin is the acquittal of the flesh, just as its non-condemnation subjugates it to the law of sin and death. In like manner, he called "the carnal mind" first "death,"[316]

Origen Commentary on Matthew Book XI

that is to say, He commanded them to put the flesh under, and to keep in subjection "the mind of the flesh,"[25]