To him are attributed the institution of [[holy water]] in [[Church]]es and houses, and the prescription that [[Host (Communion)|hosts]] to be consecrated be made from unleavened bread of wheat flour and water only, a practice condemned by [[Orthodox Church|Byzantine Orthodoxy]] as a [[heresy]]. | To him are attributed the institution of [[holy water]] in [[Church]]es and houses, and the prescription that [[Host (Communion)|hosts]] to be consecrated be made from unleavened bread of wheat flour and water only, a practice condemned by [[Orthodox Church|Byzantine Orthodoxy]] as a [[heresy]]. |