But God said, ‘No. Your wife Sarah will bear you a son, and you will name him Isaac. I will confirm my covenant with him as a permanent covenant for his future offspring.
stay in this land as a foreigner, and I will be with you and bless you. For I will give all these lands to you and your offspring, and I will confirm the oath that I swore to your father Abraham.
By faith even Sarah herself, when she was unable to have children, received power to conceive offspring, even though she was past the age, since she considered that the one who had promised was faithful.
I will confirm my covenant that is between me and you and your future offspring throughout their generations. It is a permanent covenant to be your God and the God of your offspring after you.