Heidelcast

A focused conversation on baptism as the watery sign replacing circumcision and its place in the Abrahamic promise. Discussion of infant baptism, how children may be nurtured toward faith, and pastoral practices for baptized families. Examination of the Lord's Supper as covenant renewal, sacramental presence, who should commune, and how sacraments visibly testify to God's promises.

A tidy tour of Word and Sacrament piety and how preaching and sacraments function together. Traces the word sacrament back to Latin and its biblical translations. Explains sacraments as signs and seals that confirm promises. Compares baptism and communion across traditions and outlines the Reformed idea of a figurative sacramental union. Discusses baptismal meaning, covenant inclusion, and how sacraments reassure believers.

A focused look at Acts 2:42 and early church practices. They explore apostolic teaching, baptism, and regular worship rhythms. The role of preaching and sacraments in forming faith gets attention. Discussion covers corporate prayer, the Lord's Supper as formal communion, and the church portrayed as God’s temple.

A theological tour through Philippians: resurrection, ascension, and a single visible return of Christ. Discussion of prophetic language that compresses the comings of Jesus. Examination of church unity, Gentile inclusion, and the end of Mosaic typology. Contrast between working out salvation and working for it, with emphasis on God as the active agent in sanctification.

Scott McDermott, a theologian and writer working on a book project, joins the discussion. They explore how the creation mandate relates to infertility and adoption. Conversations touch on Calvin’s experience, Scripture’s creational commands, parenting as sanctification, adoption as fulfilling procreation, and practical pastoral and church support for prospective adoptive families.

A discussion of how joining the visible, Christ-confessing church starts the Christian life but does not finish it. A focus on Scripture’s call to live faith within the body of Christ rather than alone. An exploration of covenant language in Communion and ancient covenant rituals like Genesis 15. Tracing the new covenant from Christ’s blood through Pentecost and household initiation practices.

Discussion of believers as heirs and what it means to belong to a covenant community. Examination of how Israel and Gentiles were divided under the old covenant and how that wall is removed. Exploration of baptism replacing bloody entry rites and the inclusion of all nations into Christ’s household. Reflections on Pentecost, covenant feasts, and finding a home in the church.

A clear distinction between viewing Jesus as an example and as the one who stood in our place. Discussion of substitutionary atonement, Levitical sacrifices, and how Old Covenant rites point to a once-for-all sacrifice. Exploration of shepherd and Lamb imagery, propitiation, Christ entering the true Holy of Holies, and the particular scope of redemption in John.

A deep dive into Paul’s Song of Christ and its place in Philippians. Discussion of Christ as the last Adam and obedient substitute, and how his humiliation links to exaltation. Examination of atonement, imputation, and condign merit through the Heidelberg Catechism. Exploration of Christ’s present reign, Psalm 110 and Isaiah ties, and the tension between suffering now and future visible kingdom.

A lively debate about choosing between pure liturgical worship and a church's political theology. They weigh practical tradeoffs when ideal congregations do not exist. The conversation considers which worship defects demand leaving and when political preaching becomes a disqualifier. Practical routes for reform, membership vows, and how far to press complaints are also explored.