If he actually studied his scriptures, he would know ALL believers are Saints (Romans 1:7, 1 Cor 1:2), and we are not to call any religious leader "father" (Matthew 23:9).
The Bereans of Acts 17:11 were commended for searching the scriptures to determine is the things taught to them by the apostles were true, and as Paul told Timothy in 2 Tim 3:16 -17 All Scripture is God-breathed and is useful for teaching, rebuking, correcting and training in righteousness, so that the servant of Goda may be thoroughly equipped for every good work.
Granted, we have all learned at the feet of others, but it is up to us as individuals to determine if what we have been taught is scripturally true.
I am convinced that what the author is scared of is learning the truth that much of what he has been taught is merely the traditions of men, exactly what Jesus condemned the Pharisees for! See Matthew 15:6-9
"6 they are not to ‘honor their father or mother’ with it. Thus you nullify the word of God for the sake of your tradition.
7 You hypocrites! Isaiah was right when he prophesied about you:
8“ ‘These people honor me with their lips, but their hearts are far from me.
9 They worship me in vain; their teachings are merely human rules.’”
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“If he actually studied his scriptures, he would know ALL believers are Saints”
And if you actually studied the history of Christianity you you wouls know that Christ STARTED THE CATHOLIC CHURCH, not the Good Will Assemblies of God Hickory Holler Church down on the corner.
The Catholic Church, started by Christ himself, has the teaching authority for the Bible, a document that would not exist if not for the Catholic Church.