The Birth Of Isaac

Gen 21:1 And the LORD visited Sarah as he had said, and the LORD did unto Sarah as he had spoken.
Gen 21:2 For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him.
Gen 21:3 And Abraham called the name of his son that was born unto him, whom Sarah bare to him, Isaac.
Gen 21:4 And Abraham circumcised his son Isaac being eight days old, as God had commanded him.
Gen 21:5 And Abraham was an hundred years old, when his son Isaac was born unto him.
Gen 21:6 And Sarah said, God hath made me to laugh, so that all that hear will laugh with me.
Gen 21:7 And she said, Who would have said unto Abraham, that Sarah should have given children suck? for I have born him a son in his old age.