Roman Catechism 40.37

Chapter 40 — Part IV: Prayer — The Sixth Petition: Lead Us Not into Temptation

Section 37. The Epistle of St. Paul to the Hebrews abounds with the victories of holy men, who by faith conquered kingdoms, stopped the mouths of lions, etc. While we read of such achievements, we should also take into account the victories which are every day won by men eminent for faith, hope and charity, in their interior and exterior conflicts with the demons, -- victories so numerous and so signal, that, were we spectators of them, we should deem no event of more frequent occurrence, none of more glorious issue. It was with reference to such defeats of the enemies that St. John wrote: I write unto you, young men, because you are strong, and the word of God abideth in you, and you have overcome the wicked one.'