A modern dictionary of Catholic terms, both common and obscure. Find accurate definitions of words and phrases.
That from which something proceeds or on which it depends as its origin, cause, or source of being or action. In Christianity the truths of faith are principles of moral conduct. (Etym. Latin principium, a beginning, origin,, foundations.)
All items in this dictionary are from Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.