Genesis 17:8-10

21st Century King James Version

⁸ And I will give unto thee and to thy seed after thee the land wherein thou art a stranger, all the land of Canaan, for an everlasting possession; and I will be their God.”

⁹ And God said unto Abraham, “Thou shalt keep My covenant, therefore, thou and thy seed after thee in their generations.

¹⁰ This is My covenant which ye shall keep between Me and you and thy seed after thee: every manchild among you shall be circumcised.