Without being weakened in faith, he considered his own body as dead (he being about a hundred years old), and the deadness of Sarah's womb.

For this is a word of promise, "At the appointed time I will come, and Sarah will have a son."

By faith he received power to procreate when he was past age, and Sarah herself was barren. He regarded him faithful who had promised.

as Sarah obeyed Abraham, calling him lord, whose children you now are, if you do well, and are not put in fear by any terror.