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Catholic Dictionary

Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.

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VINCENTIAN CANON

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.

Mon29 December
Christmas

Fifth Day within the Octave of the Nativity of the Lord (Christmas); Opt Mem of St. Thomas Becket, Bishop and Martyr

Image for Fifth Day within the Octave of the Nativity of the Lord (Christmas); Opt Mem of St. Thomas Becket, Bishop and Martyr

Today is the Fifth day within the Octave of Christmas. The Church celebrates the Optional Memorial of St. Thomas Becket (1118-1170), bishop and martyr. He was born in London and after studying in Paris, he first became chancellor to the king and then in 1162 was chosen Archbishop of Canterbury. He…

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