[aMorePerfectUnion]

“Christ’s One Holy Catholic and Apostolic church HAS NEVER TAUGHT ANYTHING ELSE”

Not what Ratzinger declared.

[Mrs. Don-o]

Dominus Iesus

DECLARATION "DOMINUS IESUS" ON THE UNICITY AND SALVIFIC UNIVERSALITY OF JESUS CHRIST AND THE CHURCH

by Joseph Ratzinger

Repays careful reading (LINK).