CCC 866
Profession of Faith›SECTION TWO I. THE CREEDS›CHAPTER THREE I BELIEVE IN THE HOLY SPIRIT›Paragraph 3. THE CHURCH IS ONE, HOLY, CATHOLIC, AND APOSTOLIC
The Church is one: she acknowledges one Lord, confesses one faith, is born of one Baptism, forms only one Body, is given life by the one Spirit, for the sake of one hope (cf Eph 4:3-5), at whose fulfillment all divisions will be overcome.