God also said to Abraham, “You must keep My covenant—you and your descendants in the generations after you.
9. Thou shalt keep my covenant As formerly, covenants were not only committed to public records, but were also wont to be engraven in brass, or sculptured on stones, in order that the memory of them might be more fully recorded, and more highly celebrated; so in the present instance, God inscribes his covenant in the flesh of Abraham.
Here is, I. The continuance of the covenant, intimated in three things: - 1. It is established; not to be altered nor revoked. It is fixed, it is ratified, it is made as firm as the divine power and truth can make it. 2.
Commenting on Genesis 17:7-14
And God said unto Abraham, thou shalt keep my covenant therefore,.... Observe the sign or token of it, circumcision, in the manner after related: thou, and thy seed after thee, in their generations; in successive ages until the Messiah come, the end of the law for righteousness.