Numbers 22:18 says, “Though Balak were to give me his house full of silver and gold, I could not go beyond the command of the LORD my God to do less or more.”(ESV)
Verse 18. – I cannot go beyond the word of the Lord my God. Balaam’s faith was paramount within its own sphere of operation. It did not control his wishes; it did not secure the heart obedience which God loves; but it did secure, and that absolutely, outward obedience to every positive command of God, however irksome; and Balaam never made any secret of this.
We too need to listen to God’s word, and not go beyond what he has written. For even in the last book of Revelation God warns those who would be so cavalier. We read, “I warn everyone who hears the words of the prophecy of this book: if anyone adds to them, GOD Will add to him the plagues described in this book, and if anyone takes away from the words of the book of this prophecy, God will take away his share in the tree of life and in the holy city, which are described in this book.”(Revelation 22:18-19, ESV)
An ancient tradition holds that the word of God, though equally authoritative in whichever form it comes, comes primarily in the form of Sacred Scripture, and thus we should seek for Sacred Doctrine primarily in the Scriptures. As Thomas Aquinas said:
…[S]acred doctrine…properly uses the authority of the canonical Scriptures as an incontrovertible proof, and the authority of the doctors of the Church as one that may properly be used, yet merely as probable. For our faith rests upon the revelation made to the apostles and prophets who wrote the canonical books, and not on the revelations (if any such there are) made to other doctors.
God is the author of the Bible, and has imparted to us a gift to direct the belief and morals of the church. What we think about God, and our conduct should be evaluated and tested by reference to the Bible. God, through his sovereignty, has chosen to exercise his rule over us by his written word. Scripture is God’s instrument of Christ’s lordship over the Church. This is illustrated by the letters to the churches in Revelation(Rev. 2;3).
“The Roman Catholic view of the Bible has compromised its unique authority by combining it with the tradition of the church. Roman Catholics accept the Bible as God-given truth, but insist that it is incomplete without the official interpretation of the church as it is led by the spirit. In the past, giving the church authority over the Bible has led to discouraging or prohibiting ordinary Christians from reading it…”[The Reformation Study Bible,R.C. Sproul, P.1765]
The Bible’s inspiration is distinguished from all other books by it’s being “breathed out by God”(2 Tim. 3:16). Historically the Protestant church accepts the Bible as the only written revelation of God. Scripture can be described as infallible, sufficient, and clear. It is infallible in all it affirms; sufficient in containing all that is necessary to know for salvation; and clear, so that a person without special preparation can understand what God requires without an interpreter.
The Bible cannot be subject to any group or person, no matter how noble. For it was by this principle of Sola Scriptura, that the Reformers were able to free their consciences from human traditions. The Five Solas are five Latin phrases (or slogans) that emerged during the Reformation to summarize the Reformers’ theological convictions about the essentials of Christianity.
For this reason, some sources say that prima scriptura is the normative Catholic approach. Yves Congar referred to prima scriptura as the “normative primacy of Scripture” as he described the work of Augustine of Hippo and Thomas Aquinas. “[wikipedia, Prima Scriptura]
So it seems that in traditional Catholicism, the word of God had an elevated position in the whole deposit of the faith. Now, I am afraid, the Magisterium is, “thus making void the word of God by [their] tradition that [they] have handed down. And many such things [they] do.”(Mark 7:13)
Sola Scriptua(Scripture Alone)!
See also: Deuteronomy 4:2 “You shall not add to the word that I command you, nor take from it…”