While the Passover narrative [in Exodus] energizes Israel's imagination toward justice, Israel's hard work of implementation of that imaginative scenario was done at Mt. Sinai. . . . Moses' difficult work at Sinai is to transform the narrative vision of the Exodus into a sustainable social practice that has institutional staying-power, credibility, and authority.
Walter Brueggemann (1999). “The Covenanted Self: Explorations in Law and Covenant”, p.49, Fortress Press