Jesus said, “And I have other sheep, that are not of this fold; I must bring them also, and they will heed my voice. So there shall be one flock, one shepherd” (John 10:16). Jesus prayed to His Father: “That they may all be one; even as thou, Father, art in me, and I in thee, that they also may …

All Catholics are united under the same spiritual leadership because Jesus Christ made Peter the chief shepherd of His flock, and provided that Peter’s successors, the Bishops of Rome, would be the heads of His Church and guardians of His truths until the end of time. Loyalty to the Bishop of Rome, the Pope, will ever be the binding center …

We are united in worship because we have but one altar, upon which Jesus Christ daily renews the offering of Himself upon the Cross. Everywhere we have the same Mass and everywhere the same Seven Sacraments. By means of the Eucharist, Christ re-offers Himself to the Father through the ministry of His priests in the Sacrifice of the Mass. At …

There are four marks which point out the true Church founded by Jesus. They are four adjectives: one, holy, catholic and apostolic Church. Having made His Church a means of our everlasting happiness, our Lord has stamped it plainly with the mark of its divine origin. In the Nicene Creed we say: “I believe in one, holy, catholic, and apostolic …

The Church is one because it is unified in belief. The truths which the members of the Catholic Church hold are the truths made known to us by Jesus Himself; they are truths which come to us directly from God. God is Truth. He knows all things and cannot be mistaken. He is infinitely truthful and cannot lie. Whatever God …