In the Book of Genesis, Abraham believes that God is commanding him to sacrifice his beloved son as proof of his love and obedience. But just as Abraham is about to thrust the knife into his terrified child, an angel grasps his hand and there in the thicket is a sheep that God has provided for the sacrifice. Most people find this story horrifying, but what my father taught me that day was this: No matter how sacred the calling appears, it is not God's will for parents to sacrifice their children.