The Main Idea: Covenant Certainty is the result of the Lord’s Covenant Blessing the Covenant Head.The Big Question: How does God drive home his Covenant Faithfulness?The Central Point: He Uses Even Isaac’s Sin to Triumph:1.)Usurping Isaac’s Deception (vv. 6-8) – (Application: Confidence in God’s Covenant faithfulness is built by his sovereignty over our sin)2.)Undoing Isaac’s Foolishness (vv. 9-11) – (Application: Confidence in God’s Covenant faithfulness is built by his sovereignty over our foolishness)