7:1-16 No observances, professions, or supposed revelations, will profit, if men do not amend their ways and their doings. None can claim an interest in free salvation, who allow themselves in the practice of known sin, or live in the neglect of known duty. They thought that the temple they profaned would be their protection. But all who continue in sin because grace has abounded, or that grace may abound, make Christ the minister of sin; and the cross of Christ, rightly understood, forms the most effectual remedy to such poisonous sentiments. The Son of God gave himself for our transgressions, to show the excellence of the Divine law, and the evil of sin. Never let us think we may do wickedness without suffering for it.

15. your brethren—children of Abraham, as much as you.

whole seed of Ephraim—They were superior to you in numbers and power: they were ten tribes: ye but two. "Ephraim," as the leading tribe, stands for the whole ten tribes (2Ki 17:23; Ps 78:67, 68).