1. Protestantism believes in the authority of the Scriptures. 2. Protestantism believes in the sufficiency of faith. 3. Protestantism believes in the finality of the sacrifice of Christ. 4. Protestantism believes in the veracity of the priesthood of Christ and of all believers 5. Protestantism believes in the necessity of the new birth 6. Protestantism believes in the sophistry of false doctrines like purgatory and the veneration of Mary. On this Reformation Sunday, the sermon affirms that Protestantism stands on the authority of Scripture alone, rejecting the Catholic triad of Scripture, tradition, and magisterium as humanly constructed and contrary to the biblical principle of testing all things by God's Word. The sermon emphasizes salvation by faith alone, rejecting the Catholic doctrine of justification through faith and works, and underscores the finality of Christ's atoning sacrifice, which is complete and once-for-all, not repeated in the Mass. It upholds the priesthood of all believers, rejecting the Catholic claim that priests mediate between God and humanity, and affirms the necessity of the new birth, not through sacramental baptism, but through the Holy Spirit's supernatural work. The sermon also condemns unbiblical doctrines such as purgatory and the veneration of Mary, insisting that all glory belongs to God alone and that Christ alone is the sole mediator and Savior. Ultimately, the message calls all people—regardless of tradition—to look to Christ alone in faith for salvation, trusting in His finished work on the cross.