Genesis 21:5

In context

3Abraham named the son born to him, the one Sarah bore him, Isaac. 4Abraham circumcised his son Isaac when he was eight days old, as God had commanded him. 5Abraham was a hundred years old when his son Isaac was born to him. 6Sarah said, “God has made laughter for me. Everyone who hears will laugh with me.” 7She said, “Who would have told Abraham that Sarah would nurse children? Yet I have borne him a son in his old age.”