St. Peter Canisius (16th cent.): “Certain virtues are therefore called ‘Cardinal’, because they are as it were the foundation and hinges of all the rest; and as the door upon the hinges, so the whole course of honest life consists of them, and the whole frame of good works seem after a sort to depend upon them. They are accounted four in number: prudence, justice, temperance, and fortitude.” (Summa Doctrinae Christianae) p. 203
St. John Eudes (c. 1660): “The greatest evil existing today is heresy, an infernal rage which hurls countless souls into eternal damnation.”
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