the basis, law, or norm of what we should believe. We do not come to know the Trinity, sin, the incarnation, and the atonement by reason or natural revelation. We must receive what Scripture says by faith—faith which has its origin in the illumination of the Spirit. The secret of faith lies beyond the reach of reason.11 Thus, notwithstanding considerable deference shown to reason and to quotations from medieval scholastics throughout his corpus, Voetius’ theology did not succumb to reason but remained