And God said to Abraham: "As for you, you shall keep My covenant, you and your descendants after you throughout their generations.
Genesis 17:9
Surrounding context
17:8 Also I give to you and your descendants after you the land in which you are a stranger, all the land of Canaan, as an everlasting possession; and I will be their God."
17:9 And God said to Abraham: "As for you, you shall keep My covenant, you and your descendants after you throughout their generations.
17:10 This is My covenant which you shall keep, between Me and you and your descendants after you: Every male child among you shall be circumcised;