This work investigates the fundamental tension between the internal, spiritual experience of faith and the external, institutional requirements of the church as articulated by Martin Luther. Jaroslav Pelikan, a preeminent historian of Christian thought, utilizes primary source documents and Luther's own theological writings to analyze how the reformer navigated the necessity of church order while maintaining his emphasis on the primacy of the spirit. The book provides a rigorous examination of the dialectic between ecclesiastical authority and individual conscience during the early years of the Reformation.

This text is regarded as a dense, scholarly exploration of Reformation theology that demands a high level of familiarity with ecclesiastical history. The framing suggests a specialist focus, providing a nuanced look at the structural challenges inherent in institutionalizing a movement rooted in spiritual reform.