There is nothing from outside a man, that entering into him can defile him: but the things which come out of him, those are they that defile the man.
All Commentaries on Mark 7:15 Go To Mark 7
Tertullian of Carthage
AD 220
When, then, on being cursed, I smite (with my tongue, ) how shall I be found to have followed the doctrine of the Lord, in which it has been delivered that "a man is defiled.
And that the Lord Himself in the Gospel has given a compendious answer to every kind of scrupulousness in regard to food; "that not by such things as are introduced into the mouth is a man defiled, but by such as are produced out of the mouth; "
