Chapter 11 — Part I: The Creed — Article IX: The Holy Catholic Church; the Communion of Saints
Section 43. Unlike states of human institution, or the sects of heretics, she is not confined to any one country or class of men, but embraces within the amplitude of her love all mankind, whether barbarians or Scythians, slaves or freemen, male or female. Therefore it is written: Thou . . . hast redeemed us to God, in thy blood, out of every tribe, and tongue, and people, and nation, and hast made us to our God a kingdom. Speaking of the Church, David says: Ask of me and I will give thee the Gentiles for thy inheritance, and the utmost parts of the earth for thy possession; and also, I will be mindful of Rahab and of Babylon knowing me; and man is born in her.