3. And Abraham called the name of his son, whom Sarah bore for him, Isaac.
4. And he circumcised him on the eighth day, just as God had instructed him,
5. when he was one hundred years old. Indeed, at this stage of his father's life, Isaac was born.
6. And Sarah said: "God has brought laughter to me. Whoever will hear of it will laugh with me."
7. And again, she said: "Hearing this, who would believe Abraham, that Sarah breast-fed a son, to whom she gave birth, despite being elderly?"
8. And the boy grew and was weaned. And Abraham made a great feast on the day of his weaning.
9. And when Sarah had seen the son of Hagar the Egyptian playing with her son Isaac, she said to Abraham: