Roman Catechism 33.8

Chapter 33 — Part IV: Prayer — On Prayer in General

Section 8. The Fruits of Prayer — Moreover, this necessity of prayer is also productive of the greatest delight and usefulness, since it bears most abundant fruits. When it is necessary to instruct the faithful concerning these fruits, pastors will find ample matter in sacred writers. We have made from these sources a selection which appeared to us to suit the present purpose.