Of all the “churches” calling themselves “Christian,” can any one of them irrefutably claim to be the Church founded by Jesus Christ? Does any conform to the clear, precise terms by which this Church of Christ is described in Holy Scripture: “the house of God, which is the church of the living God, the pillar and ground of the truth” (1 Tim.3:15); or the “One Body” of which St. Paul repeatedly speaks (Rom.12:4-5; 1 Cor.10:17; 1 Cor.12:12-20; etc.); or the “Kingdom of Heaven” of the synoptic Gospels, and the “Kingdom of God” of Saint John’s? Does any one of them insist that those who fail to hear its decrees are to be treated as “the heathen and publican” (Matt.18:17)?
Yes, there is such a One True Church that meets all these descriptive requirements. The question is, which one is it?
Read more at Catholicism.org: The Church of History