Rules of church sermon in the sermons of Peter the Apostle
First Sermon: Pentecost On the day of Pentecost, the Apostle Peter stood up and preached to the groups that had come to Jerusalem from all over the world.
Holy things previously sanctified
As is clear from the name, this liturgy is the service of eating the holy things that have been sanctified and consecrated in a previous liturgy. It is the service
Church systems, laws and rituals in the seventh and eighth centuries
Confusion and decadence: The wars of the seventh century led to confusion and confusion, and barbarian attacks made matters worse. The movements of families and clans increased, and families became mixed up