4-7"So he left the country of the Chaldees and moved to Haran. After the death of his father, he immigrated to this country where you now live, but God gave him nothing, not so much as a foothold. He did promise to give the country to him and his son later on, even though Abraham had no son at the time. God let him know that his offspring would move to an alien country where they would be enslaved and brutalized for four hundred years. 'But,' God said, 'I will step in and take care of those slaveholders and bring my people out so they can worship me in this place.'
8"Then he made a covenant with him and signed it in Abraham's flesh by circumcision. When Abraham had his son Isaac, within eight days he reproduced the sign of circumcision in him. Isaac became father of Jacob, and Jacob father of twelve 'fathers,' each faithfully passing on the covenant sign.