"All scripture is inspired by God and is useful for teaching, for refutation, for correction, and for training in righteousness, so that one who belongs to God may be competent, equipped for every good work." (2Tim 3:16-17
In the Baptist view there is only one authority, "Scripture". However, the selections of scripture to back up their claim is very subjective. The truths of scripture must be decided within the whole context of the Bible not on fanciful selections.
the Baptist doctrine of "Priesthood of Believers" (1Pt
2:4-10) there is no intermediate authority
between us and God. "Protestantism, especially American Protestantism,
have taken priesthood of believers to mean that every believer
has an absolute right of private judgment about morals and doctrine, the liberty
to interpret the Bible with complete autonomy." (Priesthood
of Believers/ Peter j.Leithart/First Things) Do
to the fallible nature of human understanding this can never be the case.
Consider the following:
Christ did not give authority to a book, the New Testament which was not yet written in the time of Christ, but to a man, Peter. "And so I say to you, you are Peter, and upon this rock I will build my church, and the gates of the netherworld shall not prevail against it. I will give you the keys to the kingdom of heaven. Whatever you bind on earth shall be bound in heaven; and whatever you loose on earth shall be loosed in heaven. (Mt 16:18-19)
Further, "Every denomination is run by a man. For one thing, the pastors and preachers tell you their interpretation of the Bible. And somebody had to come with the core belief systems of that denomination. The Methodists and the Lutherans [the Baptists] have their people. Even churches that claim to be non-denominational have some human being at the head of it. Even if their core is that all is needed is faith in Jesus. OK, well somebody had to decide that. The Bible certainly didn't come out and say that's all that was required. So what makes all these Protestant leaders better than the Pope?" (catholic.com/Dec. 10, 2017 Why do Protestants reject the Pope's authority ...)
Despite the profound difference between the one true Church and the Baptist churches, we hope and pray, for their return to the fulness of truth. Baptists, like all other Protestant churches "While invoking the Holy Spirit seek in these very scriptures God as it were speaking to them in Christ. ... Their longing for their union with Christ inspires them to seek an ever closer unity, and also bear witness to their faith among the people of the earth." (Vatican II: Decree on Ecumenism, Part II, #20)