Roman Catechism 40.7

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

Section 7. The Assaults Of The Flesh — Wherefore, let the pastor remind the faithful of the conflicts and dangers in which we are continually engaged, as long as the soul is in this mortal body, assailed as we are on all sides by the world, the flesh and the devil.