Genesis 17:1-3

The Covenant of Circumcision 1When Abram was ninety-nine years old, the LORD appeared to him and said, “I am God Almighty Hebrew El-Shaddai ; walk before me faithfully and be blameless.

2Then I will make my covenant between me and you and will greatly increase your numbers.” 3Abram fell facedown, and God said to him,