Where there are sins, there are also divisions, schisms, heresies, and disputes. Where there is virtue, however, there also are harmony and unity, from which arise the one heart and one soul of all believers. 271
Catechism number 829
"But while in the most Blessed Virgin the Church has already reached that perfection whereby she exists without spot or wrinkle, the faithful still strive to conquer sin and increase in holiness. and so they turn their eyes to Mary":306 in her, the Church is already the "all-holy."
III. THE CHURCH IS CATHOLIC
What does "catholic" mean?