Circumcision the Sign of the Covenant

171 When Abram was ninety-nine years old, the Lord came to him, and said, I am God, Ruler of all; go in my ways and be upright in all things, 2 And I will make an agreement between you and me, and your offspring will be greatly increased. 3 And Abram went down on his face on the earth, and the Lord God went on talking with him, and said,

Matthew Henry's Commentary on Genesis 17:1-3

Commentary on Genesis 17:1-6

(Read Genesis 17:1-6)

The covenant was to be accomplished in due time. The promised Seed was Christ, and Christians in him. And all who are of faith are blessed with faithful Abram, being partakers of the same covenant blessings. In token of this covenant his name was changed from Abram, "a high father," to Abraham, "the father of a multitude." All that the Christian world enjoys, it is indebted for to Abraham and his Seed.