1 Cyprian to Cornelius his brother, greeting. We have been made acquainted, dearest brother, with the glorious testimonies of your faith and courage, and have received with such exultation the honour of your confession, that we count ourselves also sharers and companions in your merits and praises. For as we have one Church, a mind united, and a concord undivided, what priest does not congratulate himself on the praises of his fellow-priest as if on his own; or what brotherhood would not rejoice in the joy of its brethren?
It cannot be sufficiently declared how great was the exultation and how great the joy here, when we had heard of your success and bravery, that you had stood forth as a leader of confession to the brethren there; and, moreover, that the confession of the leader had increased by the consent of the brethren; so that, while you precede them to glory, you have made many your companions in glory, and have persuaded the people to become a confessor by being first prepared to confess on behalf of all; so that we are at a loss what we ought first of all to commend in you, whether your prompt and decided faith, or the inseparable love of the brethren.
Among you the courage of the bishop going before has been publicly proved, and the unitedness of the brotherhood following has been shown. As with you there is one mind and one voice, the whole Roman Church has confessed.
Source: The Epistles of Cyprian (New Advent)