Within chapter nine, Calvin deals with the difficult subject of religious fanatics who claim principles of piety are found outside of Scripture. Calvin rightly diagnoses their problem as “not so much under the influence of error as madness.” He specifically aims his refutation against those who expound the Holy Spirit extraordinarly but reject all reading of the Holy Scriptures. Calvin uses many passages to describe that having the Spirit is synonymous with having the words of God in them and abiding with and the Scriptures would be an authority over them. Calvin rightly uses 2 Timothy 3:16-17 to affirm the benefits of Scripture, “All Scripture is breathed out by God and profitable for teaching, for reproof, for correction, and for training in righteousness, that the man of God may be competent, equipped for every good work.” He charges his readers to give diligent heed to both the reading and preaching of the Word that we may judge whether any spirit passes the wisdom of God’s Holy Word so we may declare it false. Calvin also declares that The Scriptures help us to discern the lies of the Devil and do as Christ did in the wilderness and confront him with Scripture and the doctrines of grace. Calvin in closing this very short chapter, states that the Spirit of God and the Scriptures work together to illumine our hearts and minds; they are inseparable.