The Source of Sacerdotal Unity—Id., Epist. iii. 2.
The Bond of Unity—Id. ibid. iv. 2.
The Church where resides the chief power (potentior principalitas)—Id. ibid. iii. 8.
The Church the Root and Mother of all the others—St. Anaclet. Papa, Epist. ad omnes Episc. et Fideles.
The See on which our Lord has built the Universal Church—St. Damasus, Epist. ad Univ. Episcop.
The Cardinal Point and Head of all the Churches—St. Marcellinus, R. Epist. ad Episc. Antioch.
The Refuge of Bishops—Conc. Alex., Epist. ad Felic. P.
The Supreme Apostolic See—St. Athanasius.
The Presiding Church—Emperor Justin., in lib. viii., Cod. de Sum. Trinit.