There are truly important works that simply have been forgotten or unjustly ignored. One of these is William Ames’s Fresh Suit Against Human Ceremonies in defense of the Reformed theology and practice of worship. Another is William Perkins’s 1597 treatise A Reformed Catholic, subtitled Or . . . Continue reading →
Roman Catholicism
Heidelcast for July 5, 2026: Rome, Constantinople, or Geneva (Part 6): The Papacy of the Roman Catholic Church (Cont’d)
American Evangelical Christianity is in crisis. The story of how it got here is an important part of this series but there are several reasons so many evangelical Christians are discontent and looking for something else, something with historical roots, with a sense of tradition, with a sense of of transcendence, with reverent worship, and with a deeper view of the sacraments. Continue reading →
Heidelcast for June 28, 2026: Rome, Constantinople, or Geneva (Part 5): The Papacy of the Roman Catholic Church
American Evangelical Christianity is in crisis. The story of how it got here is an important part of this series but there are several reasons so many evangelical Christians are discontent and looking for something else, something with historical roots, with a sense of tradition, with a sense of of transcendence, with reverent worship, and with a deeper view of the sacraments. Continue reading →
Heidelcast for June 14, 2026: Rome, Constantinople, or Geneva (Part 4): American Evangelical Christianity Is in Crisis: Fundamentalism
American Evangelical Christianity is in crisis. The story of how it got here is an important part of this series but there are several reasons so many evangelical Christians are discontent and looking for something else, something with historical roots, with a sense of tradition, with a sense of of transcendence, with reverent worship, and with a deeper view of the sacraments. Continue reading →
Heidelcast For June 7, 2026: Rome, Constantinople, or Geneva (Part 3): American Evangelical Christianity is in Crisis: Subjectivism
American Evangelical Christianity is in crisis. The story of how it got here is an important part of this series but there are several reasons so many evangelical Christians are discontent and looking for something else, something with historical roots, with a sense of tradition, with a sense of of transcendence, with reverent worship, and with a deeper view of the sacraments. Continue reading →
Heidelcast For May 31, 2026: Heidelcast: Rome, Constantinople, or Geneva (Part 2): American Evangelical Christianity is in Crisis
American Evangelical Christianity is in crisis. The story of how it got here is an important part of this series but there are several reasons so many evangelical Christians are discontent and looking for something else, something with historical roots, with a sense of tradition, with a sense of of transcendence, with reverent worship, and with a deeper view of the sacraments. Continue reading →
Heidelcast For May 24, 2026: Rome, Constantinople, or Geneva (Part 1): Introduction
American Evangelical Christianity is in crisis. The story of how it got here is an important part of this series but there are several reasons so many evangelical Christians are discontent and looking for something else, something with historical roots, with a sense of tradition, with a sense of of transcendence, with reverent worship, and with a deeper view of the sacraments. Continue reading →
Heidelvideo #16—Why I’m Not a Roman Catholic (Part 8)
Dr. R. Scott Clark explains why the Reformed tradition opposes visual depictions of the Trinity, arguing that such images are products of human imagination rather than divine truth. He explores the biblical prohibitions against idols and provides a historical overview of how the early church universally rejected images until the 8th century. Continue reading →
Heidelvideo #15—Why I’m Not a Roman Catholic (Part 7)
Dr. R. Scott Clark explains why he will not convert to Roman Catholicism or Eastern Orthodoxy, focusing on the theological rejection of religious icons and images. Continue reading →
Trump, The Pope, And Christ’s Twofold Kingdom
On April 5, for Easter 2026, the current Bishop of Rome (in the Roman Catholic Church) published an “Urbi et Orbi” (to the city and to the world) address which he delivered from from his balcony (the loggia) in St. Peter’s Basilica . . . Continue reading →
Heidelvideo #9—Is Grace a Medicine or God’s Favor?
Dr. R. Scott Clark explains why the Roman Catholic view of grace as a medicinal substance to be infused and cooperated with contradicts the biblical definition of grace as God’s free, unconditional favor. Continue reading →
Heidelvideo #8—Why I’m Not Roman Catholic: History of the 7 Sacraments
Dr. R. Scott Clark explores the historical development of the seven sacraments and why the Reformation only recognizes the two instituted by Christ. He examines the Council of Trent and medieval debates to show how ecclesiastical practices evolved into dogma over time. Continue reading →
Heidelvideo #7—Why I’m Not Roman Catholic (Part 3)
Dr. R. Scott Clark discusses the critical differences between Roman Catholic and Reformed views on apostolic tradition and church authority. Continue reading →
Heidelvideo #6—Why I’m Not Roman Catholic (Part 2)
Dr. R. Scott Clark examines why many are drawn to Roman Catholicism and explains why the Papacy is an essential, yet historically late, development that defines the Roman Church. Continue reading →
Heidelvideo #5—Why I’m Not a Roman Catholic with R. Scott Clark
Dr. R. Scott Clark explores the reasons behind evangelical conversions to Roman Catholicism and explains why he remains committed to the Reformed tradition. Continue reading →
Canonization, Saints, And Christ Our Only Mediator
The AP ran a story in October 2022 on the naming of seven new Roman “saints.” According to the story, “Two of the new saints were Americans: Kateri Tekakwitha, the first Native American saint from the U.S., and Mother Marianne Cope, a 19th-century . . . Continue reading →
John Knox On The Lord’s Supper, Part 4: Knox’s Polemical and Pastoral Agenda
In our previous three articles, we have been arguing that, in light of the perceived softening of some Protestants’ attitudes regarding the Roman Catholic Mass, a reexamination of a classical Reformed and Protestant theological view of the Mass might be in order. . . . Continue reading →
John Knox On The Lord’s Supper, Part 3: Right And Biblical Administration
In the previous two installments, we have been arguing that, in light of the perceived softening of some Protestants’ attitudes with regard to the Roman Catholic Mass, a reexamination of a classical Reformed and Protestant theological view of the Roman Mass might . . . Continue reading →
John Knox On The Lord’s Supper, Part 2: Treatise On The Sacrament
In our previous installment, we noted the possibility of a trend among modern-day Protestants in adopting a softer stance toward the Roman Mass than would have been held among previous generations. Though not as prolific in his theological writings as men like . . . Continue reading →
John Knox On The Lord’s Supper, Part 1: Against The Roman Mass
Historically, Protestant views on the Roman Mass, particularly during the Reformation, were sharply critical. Reformers like Martin Luther, John Calvin, and Huldrych Zwingli rejected the Roman doctrine of transubstantiation. They viewed the Mass as unbiblical, often criticizing it as a “resacrifice” of . . . Continue reading →





