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The Restless Theologian

Author: Zechariah Eshack

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The Restless Theologian is a podcast focused on insightful conversations in Biblical history and theology. Visit therestlesstheologian.com for full transcripts, references, faith-inspired apparel and additional reformed theology resources.

21 Episodes
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The doctrine of definite atonement stands at the crossroads of many theological discussions, yet remains widely misunderstood. Did Christ die for all people without exception, or specifically for His elect? This question reveals profound insights about God's character and the nature of salvation itself. In this theologically rich conversation with returning guest Cory Reckner, we examine how the Trinitarian framework illuminates our understanding of Christ's atonement. The Father's predestin...
What if the miraculous gifts recorded in scripture were specifically tied to a historical moment and purpose? In this thought-provoking episode, we explore cessationism—the theological position that sign gifts like tongues, prophecy, and miraculous healing ceased with the apostolic age. The conversation begins by unpacking four distinct cessationist perspectives, from classical views that tie these gifts directly to the apostles to more pragmatic approaches that allow for rare occurrences in...
The line "He descended into hell" appears in the Apostles' Creed, yet many Christians recite these words without fully understanding their meaning. What exactly happened during those mysterious three days between Christ's death and resurrection? Where did Jesus go, and what was He doing? In this thoughtful theological exploration, Zechariah and his wife Kathryn unpack three primary interpretations of Christ's post-death activity. Did Jesus go directly to paradise as suggested by His words to...
The mysterious realm of angels has captivated human imagination for millennia, but what if everything you thought you knew about these celestial beings was fundamentally flawed? Dive into this eye-opening exploration of biblical angels with host Zechariah Eshack and returning guest Zach Humm as they dismantle popular misconceptions and reveal the surprising truth about the heavenly host. Forget the harp-playing, baby-faced cherubs of Renaissance art. Scripture depicts angels as powerful masc...
In this episode we unpack the human quest for hidden knowledge—and what the Bible says when that quest goes off-track. We begin with King Saul’s haunting visit to the Witch of Endor, showing how divine silence and desperation drove him to forbidden practices—and to tragic ends. Next, we trace God-ordained divination in Scripture: the Urim and Thummim in the high priest’s breast-piece, the casting of lots in Joshua and Acts, and why these practices fade after Pentecost as the Holy Spirit becom...
What did Jesus mean when He said, "This is my body" and "This is my blood"? In this episode, we explore whether His words should be understood literally or figuratively, examining how Scripture frequently uses metaphorical language. We trace diverse views from the early church, challenging the notion that all Christians historically held a literal interpretation. Comparing the Reformed perspective of Christ’s spiritual presence with the Roman Catholic doctrine of transubstantiation, we unpack...
Join us on The Restless Theologian as we dive into the ancient mysteries of the Book of Enoch, exploring the enigmatic Watchers and their controversial role in biblical history. With guest Zach Hum, we unravel whether the "sons of God" from Genesis 6 were fallen angels, divine rulers, or something entirely unexpected. This episode uncovers how Samyaza and his band of Watchers intermingle with humans to create the Nephilim—giant hybrids that echo the mythic deities of Greek and Roman lore, cha...
What did Jesus mean when He gave Peter the “keys of the kingdom”? In this episode of The Restless Theologian, we explore one of the most debated and misunderstood statements in Scripture. Drawing from Matthew 16, we unpack the theological and historical context of the keys, examining their significance in relation to the church’s authority, the binding and loosing of sins, and the role of gospel proclamation. We also trace how various traditions—Catholic, Protestant, and others—have interpret...
What does it mean to be truly "born again"? In this episode of The Restless Theologian, we explore the doctrine of regeneration — the sovereign, supernatural work of God that brings spiritual life to the dead. Many Christians assume that faith leads to new birth, but Scripture reveals the opposite: God must first regenerate the heart before we can repent and believe. Understanding this truth transforms how we view salvation, evangelism, and assurance. We dive into key biblical passages like E...
In this episode of The Restless Theologian, I sit down with D.P. Curtin to discuss his translation of the Margam Kali Pattu, a historical Christian hymn from the Saint Thomas Christians of India. Curtin shares how this ancient song connects to a rich tradition of apostolic Christianity rooted in the work of Thomas the Apostle. We explore the history of Christianity in India, the influence of the East Syrian Church, and the significance of the Council of Florence in attempts to reunite Easter...
In this episode of The Restless Theologian, we reflect on Jesus' powerful claim in John 8:12: "I am the light of the world." We explore the rich biblical background behind this statement and what it reveals about Christ's identity, mission, and the human need for salvation. We also dive into how light and darkness are key themes throughout the Gospel of John — representing truth and salvation versus sin and unbelief. This episode invites believers to consider not only how Jesus is the light ...
In this episode of The Restless Theologian, we explore the rich meaning of the title “The Lamb of God.” From the Passover lamb in Exodus to the victorious Lamb on the throne in Revelation, Scripture points us to Jesus as the once-for-all sacrifice who takes away the sin of the world. We trace the theme through Old Testament sacrifices, the ministry of John the Baptist, and the climactic imagery of the Lamb in Revelation. Christ is both the suffering servant and the reigning King — the Lamb w...
In this episode of The Restless Theologian, we explore the deep biblical meaning behind the title "Son of God." What does it mean that Jesus is the Son, and why is this central to the Christian faith? We trace the theme from the Old Testament promises to David, through the New Testament declarations at Jesus' baptism, transfiguration, and resurrection. We also examine how confessing Jesus as the Son of God protects the truth of His full deity and eternal relationship within the Trinity. If ...
What does Jesus mean when He calls Himself the Son of Man? In this episode of The Restless Theologian, we explore the biblical and theological depths of Jesus’ favorite self-title. From Daniel’s heavenly vision to Jesus’ trial before the high priest, “Son of Man” points to far more than mere humanity — it reveals His authority, suffering, and divine kingship. We walk through the key Old Testament background, Gospel usage, and eschatological implications of the term, uncovering how Jesus red...
How can God be one and yet also be three? In this episode of The Restless Theologian, we explore the core Christian doctrine of the Trinity — one God in three persons: Father, Son, and Holy Spirit. We walk through the biblical foundations, the early Church's theological development, and the practical significance of the Trinity in worship, salvation, and the Christian life. From the baptism of Jesus to the Nicene Creed, this episode unpacks how the triune God reveals Himself in Scripture and...
Justified by Faith

Justified by Faith

2024-04-2345:26

What does it mean to be justified by faith alone? In this episode of The Restless Theologian, we unpack one of the most vital doctrines of the Christian faith — justification. We explore the biblical foundations of this legal declaration, how it differs from sanctification, and why works can never be the basis of our right standing before God. With texts like Romans 3–5, Galatians 2, and Philippians 3, we trace the glory of sola fide and its implications for assurance, peace with God, and go...
Perseverance of the Saints

Perseverance of the Saints

2024-01-3001:08:24

Will true Christians persevere to the end? Or can salvation be lost? In this episode of The Restless Theologian, we explore the Reformed doctrine of the Perseverance of the Saints — the belief that all who are truly saved will be kept by God and endure to the end. We unpack key biblical texts like John 10, Romans 8, and 1 Peter 1 to show that our security is grounded in God’s power, not our performance. But we also explore how real perseverance involves ongoing faith, repentance, and sanctif...
Is predestination a cold, abstract doctrine — or a source of awe, comfort, and assurance? In this episode of The Restless Theologian, we explore the often-misunderstood biblical doctrine of Predestination and why it matters for every believer. We unpack key texts like Romans 8–9 and Ephesians 1 to show that election is not based on foreseen merit but God’s gracious will. Along the way, we address objections, offer pastoral clarity, and explain how this doctrine can deepen our joy and boldnes...
Pride & Humility

Pride & Humility

2023-10-2946:53

Pride is the sin that hides in plain sight — even in our churches, theology, and service. In this episode of The Restless Theologian, we explore what Scripture says about pride and humility, how Christ modeled perfect lowliness, and why God opposes the proud but gives grace to the humble. Join us for a biblical and practical discussion on recognizing pride, cultivating humility, and living with gospel-rooted dependence on the God who exalts the lowly.
The New Jerusalem

The New Jerusalem

2023-10-2901:00:12

What is the New Jerusalem, and why does it matter? In this episode of The Restless Theologian, we explore the stunning biblical vision of Revelation 21–22, tracing the New Jerusalem through redemptive history as the fulfillment of God’s promises and the dwelling place of His people. Discover how this city speaks to our present hope, shapes our identity as the bride of Christ, and calls us to live today in light of the glory to come.
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