The Scriptures are fully sufficient to guide us to salvation, the worship of God and the godly life. We do not need to supplement Scripture with human traditions or philosophy, as if it were incomplete. However, it is important to understand that Sola Scriptura does not demand a simple kind of biblicism—believing nothing but what individual texts explicitly teach—as if that were ever actually possible. As the Westminster Confession of Faith describes: The whole counsel of God, concerning all things necessary for his own glory, man’s salvation, faith, and life, is either expressly set down in scripture, or by good...