Required Good Works
Although works may be said to contribute nothing to the acquisition of salvation, still they should be considered necessary to the obtainment of it, so that no one can be saved without them.
Francis Turretin, Institutes of Elenctic Theology, ed. James T. Dennison Jr., trans. George Musgrave Giger, vol. 2 (Phillipsburg, NJ: P&R Publishing, 1992–1997), 703.