The word agony is used only once in Scripture, in Luke 22:43, to designate the anguish of Christ in the Garden of Gethsemani. The incident is narrated also in Matthew and Mark, but only Luke mentions the sweat of blood and the visitation of the angel. The sweat of blood is understood literally by almost all Catholic interpreters; medical testimony has been alleged that such a phenomenon, though rare, is neither impossible nor preternatural.
This dictionary contains not only definitions and explanations of every subject in Religion, Scripture, tradition, doctrine, morals, sacraments, rites, customs, devotions and symbolism, but also accounts of the Church in every continent, country, diocese; missions, notable Catholic centers, cities, and places with religious names; religious orders, church societies, sects and false religions. It has brief articles also on historical events and personages, on the Old Testament and New, and on popes, prelates, priests, men and women of distinction, showing what the Church has done for civilization and correcting many errors which have hitherto passed for history.Wikipedia
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