Apostolic Constitutions, Book II 11

1Upon this account, therefore, O bishop, endeavour to be pure in your actions, and to adorn your place and dignity, which is that of one sustaining the character of God among men, as being set over all men, over priests, kings, rulers, fathers, children, teachers, and in general over all those who are subject to you: and so sit in the Church when you speak, as having authority to judge offenders. For to you, O bishops, it is said: Whatsoever you shall bind on earth shall be bound in heaven; and whatsoever you shall loose on earth shall be loosed in heaven.