Therefore if your hand or your foot offend you, cut them off, and cast them from you: it is better for you to enter into life lame or maimed,
rather than having two hands or two feet to be cast into everlasting fire.
All Commentaries on Matthew 18:8 Go To Matthew 18
John Chrysostom
AD 407
He is not saying these things of limbs; far from it; but of friends, of relations, whom we regard in the rank of necessary members. This He had both said further back, and now He says it. For nothing is so hurtful as bad company. For what things compulsion cannot, friendship can often effect, both for hurt, and for profit. Wherefore with much earnestness He commands us to cut off them that hurt us, intimating these that bring the offenses.
Do you see how He has put away the mischief that would result from the offenses? By foretelling that there surely will be offenses, so that they might find no one in a state of carelessness, but that looking for them men might be watchful. By showing the evils to be great (for He would not have said without purpose, Woe to the world because of the offenses, but to show that great is the mischief therefrom), by lamenting again in stronger terms over him that brings them in. For the saying, But woe to that man, was that of one showing that great was the punishment, but not this only, but also by the comparison which He added He increased the fear.
Then He is not satisfied with these things, but He shows also the way, by which one may avoid the offenses.
But what is this? The wicked, says He, though they be exceeding dear friends to you, cut off from your friendship.
And He gives a reason that cannot be gainsaid. For if they continue friends, you will not gain them, but you will lose yourself besides; but if you should cut them off, your own salvation at least you will gain. So that if any one's friendship harms you, cut it off from you. For if of our own members we often cut off many, when they are both in an incurable state, and are ruining the rest, much more ought one to do this in the case of friends.
But if evils were by nature, superfluous were all this admonition and advice, superfluous the precaution by the means that have been mentioned. But if it be not superfluous, as surely it is not superfluous, it is quite clear that wickedness is of the will.