Cyprian

“ And lest their raging boldness should ever cease, they are striving here also to distract the members of Christ into schismatical parties, and to cut and tear the one body of the Catholic Church, so that, running about from door to door, through the houses of many, or from city to city, through certain districts, they seek for companions in their obstinacy and error to join to themselves in their schism. ”

“ To whom we have once given this reply, nor shall we cease to command them to lay aside their pernicious dissensions and disputes, and to be aware that it is an impiety to forsake their Mother; and to acknowledge and understand that when a bishop [6] is once made and approved by the testimony and judgment of his colleagues and the people, another can by no means be appointed. ”