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Why Are There So Many Christian Denominations?

Q: My question is about denominational differences within Protestant Christianity. As a faithful Protestant Christian, I’ve always had trouble understanding how we can have such strong disagreements while still believing we are all faithfully honoring the Word of God.

You have Christians who sincerely love Scripture, yet they disagree on things like infant baptism, Calvinism versus Arminianism, cessationism versus continuationism, church structure, and so many other doctrines and practices. How do we end up with these differences if we’re all reading the same text?

I’d love to hear you talk through how Protestants should think about denominational differences, authority, and unity within the Church when sincere believers can come to such different conclusions from the same Bible.

Summary

Why do sincere, Bible-believing Christians disagree on important doctrines? In this episode of Ask Dr. E, Dr. Michael Easley responds to a thoughtful question about denominational differences, Protestantism, and whether the Catholic Church’s centralized authority offers a better solution to doctrinal disputes.

Dr. Easley explains that disagreements among faithful Christians are nothing new. Even the New Testament records churches needing correction while calling believers to pursue unity. Drawing from the well-known principle, “In essentials, unity; in non-essentials, liberty; in all things, charity,” he distinguishes between core gospel truths worth defending and secondary issues where believers can disagree while remaining brothers and sisters in Christ.

Reflecting on debates between respected theologians like John MacArthur and R.C. Sproul, Dr. Easley emphasizes that conviction and charity are not mutually exclusive. He also discusses the realities of church authority, explaining that every church structure—Catholic or Protestant—is led by imperfect people and therefore remains vulnerable to error.

Ultimately, he argues that many churches have misplaced their priorities. Rather than focusing on building institutions, programs, or denominational identity, Jesus commanded His followers to make disciples while He builds His Church. When Christians prioritize evangelism, discipleship, and love for one another, many secondary disagreements naturally find their proper place beneath the supremacy of the gospel.

Takeaways:

• Not every doctrinal disagreement should divide genuine believers in Christ.
• Christians should pursue unity in essential doctrines and charity in secondary issues.
• Church authority cannot eliminate human sin, disagreement, or doctrinal error.
• Strong biblical convictions should always be paired with humility and love.
• Jesus commanded believers to make disciples while He builds His Church.
• A church focused on evangelism and discipleship is less consumed with denominational division.

Links Mentioned

Article by Mark Ross on Church unity

The Nicene Creed by Phillip Cary

Find more episodes of Ask Dr. E here.

If you’ve got a question for Dr. Easley, call or text us your question at 615-281-9694 or email at question@michaelincontext.com.