One point of contention between Catholics and many Protestants is the subject of Tradition. Protestants maintain that the Bible alone (sola scriptura) is the sole rule of faith; neither the authority of the Catholic Church nor the existence of Sacred Tradition should play any role in determining what Christians believe.
Apostolic Succession
The Church Is Built On Christ Himself and The Faithful Are Members of His Physical Body
In our second reading for today, St. Paul speaks about how the Church is founded by Christ himself. Through apostolic succession, men who have received the sacrament of Orders continue to build on the foundation of the Church as it grows to full stature as the New Temple, which is Christ’s body and God’s building.