The Main Idea: The Lord’s Covenant Certainty: Isaac’s the Exclusive Heir of the Promise

*The Big Question: Why is everybody laughing?

*The Central Point: GOD names THE Heir…That’s Why!… And that’s why:

1.) Sarah Gets the First Laugh (vv. 1-7) – (Application: You get to enjoy God enjoying you enjoying him)

2.) Ishmael Gets the Next Laugh (vv. 8-14) – (Application: You get to enjoy God setting up your gospel joy)

3.) God Gets the Last Laugh (vv. 15-21) – (Application: You get to enjoy God enjoying being God))