Genesis 17
1 Abram turned 99 years old. Yahweh came to him. "I am El Shaddai. God All Strong. Walk close to me. Live with a whole heart."
9 God told Abraham, "You must keep my covenant. You. Your kids. All who come after must keep it."
15 God said to Abraham, "Your wife Sarai gets a new name. Call her Sarah now."