I. Religious Studies

Discipline of the Secret (disciplina arcani) is a modern expression coined in the context of post-Reformation controversial theology (first used by J. Daillé, De usu patrum ad ea definienda capita, Geneva, 1686). It refers to the ancient Christian demand, made especially in the 4th and early 5th centuries, that central parts of the ritual (baptism and Eucharist) and the doctrine be kept secret. A comp…