Rob

Sola Scriptura is the only system that truly makes sense within Christianity. Critics say it’s circular: “If you can’t infallibly define what Scripture is, then you can’t use Scripture to defend Sola Scriptura.” But this doesn’t solve the problem... it just shifts it. Instead of trusting God’s Word, they trust an institution. They say, “I know what Scripture is because the Church tells me.” But ask what they mean by “The Church,” and you'll find it's defined by itself. "The Church" tells you what "The Church" is and why it alone has the authority to rightly interpret all things. That’s not clarity. That’s circularity. It’s like opening a dictionary, looking up “The Church,” and seeing: “See also: The Church.” You flip back and forth and never get an answer... just the conclusion. “The Church is authoritative because the Church says it is, and we are that Church because we say so.” 🔁 Sola Scriptura is different. It’s not based on a self-authenticating man-made institution. Scripture is a unified testimony of 66 books, 40 authors, over 1,500 years, all inspired by God (2 Peter 1:21). Jesus says the Father bears witness to Him (John 5:37), He bears witness to Himself (John 8:18), and the Spirit also bears witness (John 15:26). That is divine testimony—three witnesses, not one institution.
(Deuteronomy 19:15) The Church is not the source of this witness—it is the result of it, "built on the foundation of the apostles and prophets, Christ Jesus himself being the cornerstone, in whom the whole structure, being joined together, grows into a holy temple in the Lord. In him you also are being built together into a dwelling place for God by the Spirit." (Ephesians 2:20–22) But how does Sola Scriptura actually work? In John 5, Jesus tells the Pharisees, “You do not have His word abiding in you” (v.38). They had the Scriptures. They searched them. But they missed who the Scriptures pointed to (v.39–40). He doesn't say they failed to believe because they lacked "The Church." They didn’t believe because their hearts were hard. They revered the Scriptures as materially sufficient (containing the truth in principle) yet treated them as spiritually inadequate without their interpretive authority.  The Pharisees didn’t trust the Word. They trusted themselves—their tradition, their position, their understanding. Their problem wasn’t lack of institution. It was lack of the Spirit. Jesus is clear: the authority that confirms truth is not man-made hierarchy, but the Spirit. The Spirit reveals truth (John 16:13), gives understanding (1 Cor 2:12–14), and testifies that we belong to Christ (Rom 8:16). Sola Scriptura doesn’t work apart from regeneration. It is the Lord who removes the heart of stone and gives a heart of flesh—the only kind of heart that becomes a tabernacle for the Word of God to dwell. Only when the Spirit gives life can the Word take root, bear fruit, and become our foundation and guide to Christ Himself. It’s not just a book. It’s the voice of our Shepherd. Scripture isn’t one leg on a three-legged stool. It is the foundation—because, in this post-apostolic age, it alone testifies to Christ. It is the living Word (Hebrews 4:12), speaking with divine authority (2 Tim 3:16), because it comes from the mouth of God (Matt 4:4).  “It is better to take refuge in the Lord than to trust in man.” (Psalm 118:8) Who do you trust? Even more, the very Scriptures the Roman Catholic Church claims to have infallibly defined refute the authority structure they now promote. Scripture warns against adding to God's Word (Prov 30:6; Rev 22:18–19), rebukes elevating tradition (Mark 7:6–9), and upholds its sufficiency (2 Tim 3:15–17). If Rome were right, the Scriptures would support their system. But they don’t. They undermine it. Sola Scriptura remains the only system that honors God’s voice above all others. 📖 Jeremiah 17:5
“Cursed is the man who trusts in man and makes flesh his strength, whose heart turns away from the Lord.”