The numerous fasts of the national church prescribe a fish diet on many days in the Fishing.
The new temple heralded a new future; the mournful fasts commemorative of Jerusalem's disasters would become feasts; Yahweh had left the Temple at the fall of Jerusalem, but had now returned to sanctify it with his presence; the city had purged its iniquity and was fit once more to become the central sanctuary.
It is worn, too, on the vigils of fasts, Ember Days and days of intercession, on the Feast of Holy Innocents (if on a week-day), at litanies, penitential processions, and at other than solemn benedictions and consecrations.
Other canons treat of intercourse with heretics, admission of penitent heretics, baptism, fasts, Lent, angel-worship (forbidden as idolatrous) and the canonical books, from which the Apocrypha and Revelation are wanting.
All this speaks of intense hatred alike of Jews and Christians; the fasts, celibacy and monastic and anchoret life of the latter are peculiarly objectionable to the Mandaeans.