Matthew Henry
even damnable heresies, as the business of teachers sent of God is to show the way of truth, even the true way to everlasting life. There are damnable heresies as well as damnable practices; and false teachers are industrious to spread pernicious errors.
deny the Lord that bought them. They reject and refuse to hear and learn of the great teacher sent from God, though he is the only Saviour and Redeemer of men, who paid a price sufficient to redeem as many worlds of sinners as there are sinners in the world.
destruction upon themselves. Self-destroyers are soon destroyed; and those who are so hardened as to propagate errors destructive to others shall surely and suddenly be destroyed, and that without remedy.
The prophets prophesy falsely, and the people love to have it so.
the way, the truth, and the life. The Christian religion is from the God of truth as the author, leads to true happiness in the enjoyment of the true God as the end, and works truth in the inward part as the means of acceptably serving God. And yet this way of truth is traduced and blasphemed by those who embrace and advance destructive errors. This the apostle has foretold as what should certainly come to pass. Let us not be offended at any thing of this in our day, but take care that we give no occasion to the enemy to blaspheme the holy name whereby we are called, or speak evil of that way whereby we hope to be saved.
feigned words; they flatter, and by good words and fair speeches deceive the hearts of the simple, inducing them to yield entirely to the opinions which these seducers endeavour to propagate, and sell and deliver themselves over to the instruction and government of these false teacher, who make a gain of those whom they make their proselytes, serving themselves and making some advantage of them; for all this is through covetousness, with a desire and design to get more wealth, or credit, or commendation, by increasing the number of their followers. The faithful ministers of Christ, who show men the way of truth, desire the profit and advantage of their followers, that they may be saved; but these seducing teachers desire and design only their own temporal advantage and worldly grandeur.