And being not weak in faith, he did not regard himself as dead, being now about a hundred years old, nor Sarah's incapacity for child-bearing,

For this was the word of promise; According to this time I will come, and Sarah shall have a son.

By faith also Sarah herself received power to become a mother, even beyond the usual age, because she regarded him faithful that promised.

as Sarah obeyed Abraham, calling him Lord, whose children you are, doing good and having no fear.