DAY 335 CHALLENGE “Catholics may claim that they rely on Scripture, Tradition, and the Magisterium, but the Magisterium has the final say. What Catholics really believe in is solo magisterio (“by the Magisterium alone”). It could make up anything, and Catholics would have to believe it.” DEFENSE This claim does not stand up to analysis. First, the Magisterium is not itself a source of the Faith. Its function is to proclaim and clarify what is found in Scripture and Tradition, which together “make up a single sacred deposit of the Word of God” (CCC 97). Scripture and Tradition thus re…