Ad Sinarum Gentem §24

²⁴ "Hence it cannot be affirmed that she serves the interests of any particular power. Nor likewise can she be expected to countenance that particular churches be set up in each nation, thus destroying that unity established by the Divine Founder, and unhappily separating them from this Apostolic See where Peter, the Vicar of Jesus Christ, continues to live in his successors until the end of time.