Chapter 11 — Part I: The Creed — Article IX: The Holy Catholic Church; the Communion of Saints
Section 7. In common Scripture usage, however, the word was subsequently employed to signify the Christian society only, and the assemblies of the faithful; that is, of those who are called by faith to the light of truth and the knowledge of God, that, having forsaken the darkness of ignorance and error, they may worship the living and true God piously and holily, and serve Him from their whole heart. In a word, The Church, says St. Augustine, consists of the faithful dispersed throughout the world.'