6:20-26 Here begins a discourse of Christ, most of which is also found in Mt 5; 7. But some think that this was preached at another time and place. All believers that take the precepts of the gospel to themselves, and live by them, may take the promises of the gospel to themselves, and live upon them. Woes are denounced against prosperous sinners as miserable people, though the world envies them. Those are blessed indeed whom Christ blesses, but those must be dreadfully miserable who fall under his woe and curse! What a vast advantage will the saint have over the sinner in the other world! and what a wide difference will there be in their rewards, how much soever the sinner may prosper, and the saint be afflicted here!

22. separate you—whether from their Church, by excommunication, or from their society; both hard to flesh and blood.

for the Son of man's sake—Compare Mt 5:11, "for My sake"; and immediately before, "for righteousness' sake" (Lu 6:10). Christ thus binds up the cause of righteousness in the world with the reception of Himself.