3. Abraham named his son whom Sarah bore to him Isaac [laughter].
4. And Abraham circumcised his son Isaac when he was eight days old, as God had commanded him.
5. Abraham was a hundred years old when Isaac was born.
6. And Sarah said, God has made me to laugh; all who hear will laugh with me.
7. And she said, Who would have said to Abraham that Sarah would nurse children at the breast? For I have borne him a son in his old age! [Heb. 11:12.]