John Gills Exposition of the Bible Commentary - Genesis 17:9
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. read more
Matthew Henry's Complete Commentary - Genesis 17:7-14
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. It is entailed; it is a covenant, not with Abraham only (then it would die with him), but with his seed after him, not only his seed after the flesh, but his spiritual seed. 3. It is everlasting in the evangelical sense and meaning of it. The covenant of grace is everlasting. It... read more