A modern dictionary of Catholic terms, both common and obscure. Find accurate definitions of words and phrases.
The famous threefold test of Catholic orthodoxy expressed by St. Vincent of Lérins (400-50) in his two memoranda (Comonitoria): "Care must especially be had that that be held which was believed everywhere [ubique], always [semper], and by all [ab omnibus]." By this triple norm of diffusion, endurance, and universality, a Christian can distinguish religious truth from error.
All items in this dictionary are from Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.