Genesis 17:9 in the King James Version
And God said unto Abraham, Thou shalt keep my covenant therefore, thou, and thy seed after thee in their generations.
Context
8 I will give to you, and to your offspring after you, the land where you are traveling, all the land of Canaan, for an everlasting possession. I will be their God.”
9 God said to Abraham, “As for you, you shall keep my covenant, you and your offspring after you throughout their generations.
10 This is my covenant, which you shall keep, between me and you and your offspring after you. Every male among you shall be circumcised.