The Stability of the Law
The stability of the law, guaranteed in the divine maintenance of the terms of the covenant of works, points not to a legalistic view of salvation but to the fullness of Christ's work of satisfaction and to the totally unmerited character of the salvation provided by grace through faith to believers.
Richard Muller, The Covenant of Works and the Stability of Divine Law in Seventeenth-Century Reformed Orthodoxy: A Study in the Theology of Herman Witsius and Wilhelmus à Brakel, CTJ 29 (1994): 97