Seeing the Savior in Genesis 21
The Two Sons After years of waiting—through doubt, delay, and faithless detours—God fulfilled His promise. Sarah conceived and bore Abraham a son in his old age, at the very time God had appointed. "For Sarah conceived and bore Abraham a son in his old age, at the set time of which God had spoken to him. And Abraham called the name of his son who was born to him—whom Sarah bore to him—Isaac" (Genesis 21:2-3). Isaac means "laughter." What had once seemed impossible was now crying in Sarah's arms. The child of promise had arrived. Isaac represents something far greater than one family's joy. He is a picture of the new man in Christ—the life that springs forth when a sinner recognizes the sacrificial work of Christ on the cross and confesses Him as Lord and Savior. At that moment of faith, the believer becomes a possessor of new life from God, born not of flesh but of the Spirit. Yet there was a problem in Abraham's household. Ishmael. He was not the s...