Genesis 21:2-7

MLV(i) 2 And Sarah conceived and bore Abraham a son in his old age, at the set time of which God had spoken to him. 3 And Abraham called the name of his son who was born to him, Isaac, whom Sarah bore to him. 4 And Abraham circumcised his son Isaac when he was eight days old, as God had commanded him. 5 And Abraham was a hundred years old, when his son Isaac was born to him.
6 And Sarah said, God has made me to laugh. Everyone who hears will laugh with me. 7 And she said, Who would have said to Abraham, that Sarah should nurse sons? For I have borne him a son in his old age.