Holy Scripture cannot be separated from its interpretation. Without the proper interpretation, the inspiration of Scripture is incomplete. The Scriptures must be unveiled for us, and our understanding of them must be opened by our Lord Jesus Christ and through the Holy Spirit. As St. Paul said:
The person without the Spirit does not accept the things that come from the Spirit of God but considers them foolishness, and cannot understand them because they are discerned only through the Spirit. The person with the Spirit makes judgments about all things, but such a person is not subject to merely human judgments, for, “Who has known the mind of the Lord so as to instruct him?” But we have the mind of Christ. (1 Corinthians 2:14-16)
We are not like Moses, who would put a veil over his face to prevent the Israelites from seeing the end of what was passing away. But their minds were made dull, for to this day the same veil remains when the old covenant is read. It has not been removed, because only in Christ is it taken away. (2 Corinthians 3:13-14)
And in Luke 24, we see Christ precisely that with the two disciples on the road to Emmaus, and then latter in the Upper Room with other disciples:
He said to them, “How foolish you are, and how slow to believe all that the prophets have spoken! Did not the Messiah have to suffer these things and then enter his glory?” And beginning with Moses and all the Prophets, he explained to them what was said in all the Scriptures concerning himself. (Luke 24:25-27)It is to the Church and through the Church that Christ reveals himself, and it as the Church that we receive that revelation. For the Church is the only body commissioned and authorized by Christ to preach the gospel, make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, teaching them to obey all that our Lord Jesus has commanded (Matthew 28:18-20). It is the only body empowered by the Holy Spirit for that purpose (Acts 1:8). It is the only body given the promise of our Lord Jesus that the Holy Spirit would lead it into all truth (John 16:13). And it is the only body identified in Scripture as the Pillar and Foundation of the Truth (1 Timothy 3:15).
They asked each other, “Were not our hearts burning within us while he talked with us on the road and opened the Scriptures to us?” (Luke 24:32)
He said to them, “This is what I told you while I was still with you: Everything must be fulfilled that is written about me in the Law of Moses, the Prophets and the Psalms.” Then he opened their minds so they could understand the Scriptures. (Luke 24:44-45)
Scripture cannot be separated from interpretation, for without interpretation, it has no meaning. Without meaning, it has no authority. That being so, the authority of Scripture can be no greater than its interpretation. The question then becomes whether there is a normative, authoritative interpretation of Scripture — and whether such an interpretation can be separated from the authority of the Church.
It cannot, for our Lord has uniquely authorized the Church to teach all that pertains to himself and the gospel. Further, because Scripture has no meaning apart from interpretation, and therefore no authority apart from interpretation, then it can have no authority greater or more normative than that of its interpretation — or of only Body that is authorized to interpret it.
What we have been given is Scripture, which requires interpretation, and the Church, which is authorized to preach and teach the gospel, so is authorized to interpret Scripture and tell what it means, and what is normative for Christian faith and life.