Reformed Forum

Theology Simply Profound

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Reformed Theological Resources

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Reformed Forum

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News

Podcast website

reformedforum.org

Latest episode

Jun 30, 2026

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Episodes

Christianity and Liberalism – Chapter 2 17.09.2019

This week on Theology Simply Profound , Bob reads from J. Gresham Machen’s 1923 classic work, Christianity and Liberalism , Chapter 2, Doctrine. Participants: Robert Tarullo

What the Lord Expects Us to Know 10.09.2019

The Book of Malachi speaks to the people of God after their return from exile in Babylon. They and their leaders are being called to account for offering their worst to the Lord. And now, in chapter 2, the priests are specifically addressed for their unfaithfulness. Rob and Bob discuss these things and many more on this week’s episode of Theology Simply Profound . Participants: Rob McKenzie...

Offering Our Worst to the Lord 04.09.2019

In this episode of Theology Simply Profound , Rob and Bob discuss the first chapter of Malachi and the concern he has for the cold worship offered by his people and those who lead the people in this way. Participants: Rob McKenzie , Robert Tarullo

Christianity and Liberalism – Chapter 1 27.08.2019

This week on Theology Simply Profound , we begin a series of readings of J. Gresham Machen’s 1923 classic book, Christianity and Liberalism . Participants: Robert Tarullo

Introduction to Malachi 13.08.2019

This week on Theology Simply Profound , Rob and Bob begin to discuss the Book of Malachi. Participants: Rob McKenzie , Robert Tarullo

The Song of Persecution 06.08.2019

On this episode of Theology Simply Profound , Rob talks with the Zecharias Weldeyesus and Christopher Cashen, ministers in the Orthodox Presbyterian Church serving in the Atlanta area, about suffering and persecution for the sake of Christ and ministry to refugees. Participants: Christopher Cashen , Rob McKenzie , Zecharias Weldeyesus

An Interview with Stephen J. Nichols 23.07.2019

This week on Theology Simply Profound , Rob sits down with Dr. Stephen J. Nichols to discuss Reformation Bible College, some recent writing projects including a recent book for children, Reformation ABCs: The People, Places, and Things of the Reformation—from A to Z , books he’s reading, as well as the Young, Restless, and Reformed. After the conversation, Rob and Bob discuss Dr. Nichols tho...

The Pilgrim’s Progress: the Final Journey to the Celestial City 16.07.2019

This week on Theology Simply Profound , Rob and Bob bring their discussion of John Bunyan’s, The Pilgrim’s Progress , to a close. Here Christian, Hopeful, and Ignorance make their way through the River and to the Gate. However, only Christian and Hopeful enter; Ignorance has a completely different end. We hope you enjoyed this walk through The Pilgrim’s Progress with us. Particip...

The Pilgrim’s Progress: Ignorance, Fear, and Back-sliding 09.07.2019

This week’s episode of Theology Simply Profound , Rob and Bob continue to discuss John Bunyan’s The Pilgrim’s Progress . We discuss Christian and Hopeful’s conversation with Ignorance and Temporary. The pilgrim’s attempt to engage them on important spiritual matters like the nature of backsliding. Participants: Rob McKenzie , Robert Tarullo

The Pilgrim’s Progress: the Flatterers 02.07.2019

This week on Theology Simply Profound , Rob and Bob discuss John Bunyan’s The Pilgrim’s Progress . In this episode, Christian and Hopeful find themselves at first forgetting the warning of the Shepherds about their upcoming journey and end up falling into a net, but they learn from this forgetfulness. Then comes Atheist walking toward them with back toward Sion and the Enchanted ground...

The Pilgrim’s Progress: Little-faith 25.06.2019

This week on Theology Simply Profound , Rob and Bob continue to discuss The Pilgrim’s Progress . Christian recounts the story of Little-faith robbed by Faintheart, Mistrust, and Guilt. There is wonderful pastoral insight here on the care of souls for those believers with a weak faith as they struggle on their way to the Celestial City. Participants: Rob McKenzie , Robert Tarullo

The Pilgrim’s Progress: Christians and Maturity 11.06.2019

This week on  Theology Simply Profound , Rob and Bob continue to discuss  The Pilgrim’s Progress . We find Christian and Hopeful having found some much needed rest and refreshment in the Delectable Mountains. Afterwards, these pilgrims encounter Ignorance in a land of Conceit, Turn-away in the town of Apostasy, which Christian to recount a story of one Little-faith robbed by Fainth...

The Pilgrim’s Progress: The Delectable Mountains 04.06.2019

This week on Theology Simply Profound, Rob and Bob continue to discuss The Pilgrim’s Progress. Our discussion continues with Christian and Hopeful having escaped from the suffering and persecutions found in Doubting Castle to the Delectable Mountains where the pilgrims find some much needed rest and refreshments. Participants: Rob McKenzie , Robert Tarullo

Replacement Theology — Part 2 28.05.2019

This week on Theology Simply Profound , Rob and Bob continue their discussion of Replacement Theology, which has been erroneously associated with Covenant Theology. What is the church? When did it begin? Did the church replace Israel? Or, is it that Jew and Gentile become one in Christ? The wall of separation has been removed. Our God is a faithful and promise-keeping God. Participants: Rob McKenz...

Replacement Theology – Part 1 21.05.2019

This week on Theology Simply Profound , Rob and Bob take a step back from our discussion of The Pilgrim’s Progress to talk about Replacement Theology, which has been erroneously associated with Covenant Theology. Participants: Rob McKenzie , Robert Tarullo

The Pilgrim’s Progress: Doubting Castle — Part 2 14.05.2019

This week on  Theology Simply Profound , Rob and Bob continue to discuss  The Pilgrim’s Progress with the Rev. Dr. Iain Wright, pastor of Covenant OPC, Orland Park, Illinois. Our discussion continues with Christian and Hopeful suffering in the dungeon of Doubting Castle at the hands of Giant Despair and finding the way of deliverance provided them. Participants: Iain Wright , Rob McKenzi...

The Pilgrim’s Progress: Doubting Castle — Part 1 07.05.2019

This week on Theology Simply Profound , Rob and Bob continue to discuss The Pilgrim’s Progress . The Rev. Dr. Iain Wright, pastor of Covenant OPC, Orland Park, Illinois, joins the discussion for Christian and Hopeful’s suffering in the dungeon of Doubting Castle at the hands of Giant Despair. Participants: Iain Wright , Rob McKenzie , Robert Tarullo

The Pilgrim’s Progress: A Long Christian Life 30.04.2019

This week on Theology Simply Profound , Rob and Bob move along on the path with Christian and Hopeful in John Bunyan’s, Pilgrim’s Progress . On this path, which has proved difficult at times, they find an easier way and they meet Vain-Confidence who is certain this easy way is the way to the Celestial City. However, he meets a disastrous end. Participants: Rob McKenzie , Robert Tarullo

The Pilgrim’s Progress: By-ends Strikes Back 23.04.2019

In this episode of Theology Simply Profound , Rob and Bob continue to discuss John Bunyan’s, The Pilgrim’s Progress, where Christian and Hopeful fall into a discussion with By-ends and his companions, Mr. Hold-the-world, Mr. Money-love, and Mr. Save-all. Participants: Rob McKenzie , Robert Tarullo

The Pilgrim’s Progress: A New Hope 10.04.2019

In this episode of Theology Simply Profound , Rob and Bob return to The Pilgrim’s Progress by John Bunyan. This week we discuss how Faithful’s martyrdom served as a witness to Hopeful becoming a believer. Hopeful and Christian begin traveling together and overtake Mr. By-ends for an interesting conversation. Participants: Rob McKenzie , Robert Tarullo

The Pilgrim’s Progress: Vanity Fair, Part 2 02.04.2019

This week on Theology Simply Profound , Rob and Bob discuss John Bunyan’s, The Pilgrim’s Progress . In this episode, Christian and Faithful find Vanity Fair to be most unwelcoming. They find themselves imprisoned for not participating in the immoralities of the city. Participants: Rob McKenzie , Robert Tarullo

The Pilgrim’s Progress: Vanity Fair, Part 1 26.03.2019

This week on Theology Simply Profound , Rob and Bob discuss John Bunyan’s, The Pilgrim’s Progress . In this episode, Christian and Faithful enter the city of Vanity where there is a fair that lasts all year long. Participants: Rob McKenzie , Robert Tarullo

The Pilgrim’s Progress: Evangelist’s Evaluation 20.03.2019

This week on Theology Simply Profound , Rob and Bob continue their discussion of John Bunyan’s, The Pilgrim’s Progress . After their conversation with Talkative and his departure from Christian and Faithful, Evangelist meets up with the two pilgrims to evaluate, exhort, and warn them of the journey ahead. Participants: Rob McKenzie , Robert Tarullo

Christianity vs. Modern Liberalism ~ J. Gresham Machen 05.03.2019

On February 5, 1923, J. Gresham Machen addressed the Moody Bible Institute Founder’s Week Conference in Chicago with a lecture entitled, “Christianity vs. Modern Liberalism.” This week on Theology Simply Profound , with Rob out of town, Bob reads this lecture from the Moody Bible Institute Monthly . Participants: Robert Tarullo

The Pilgrim’s Progress: Talkative Trials 28.02.2019

In this episode of Theology Simply Profound , Rob and Bob discuss the conversation and encounter between Faithful, Christian, and Talkative in John Bunyan’s The Pilgrim’s Progress . Participants: Rob McKenzie , Robert Tarullo

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