A Topic of Moral Theology

Prayer: its nature and necessity

Prayer of petition; a necessary means of salvation for adults and a matter of precept

Also asked about as…

do i have to pray (ed.)

In the index as Prayer · Augustine, St. · Paul, St. · Perseverance in prayer · Thomas Aquinas, St. · Vocal music · *Ordo Divini Officii Recitandi* · Alms · Ambrose, St. · Breviary · Ceremonies and sensible signs · Charity · Circumstances of sin · Consensus of mankind in existence of God · Contemplation · Cyprian, St. · Delay · Efficacy of grace · Enos · Evil · Faith · Fasting in Lent · Forgiveness of sin · Genuflection

In the manuals

A Manual of Moral Theology for English-Speaking Countries

Vol. I, Bk. VI, Pt. I, Chapter II. Prayer, nn. 1 & 2 (2 passages — hover a number to read it)

Moral Theology: A Complete Course (McHugh & Callan)

Vol. II, Pt. II, Q. II, Art. 5. The Quasi-integral…, Prayer, nn. 2153, 2154, 2155 & 2156 (4 passages — hover a number to read it)

Synopsis of Moral and Pastoral Theology

Vol. II, On the Virtue of Religion …, Chapter I: On the Principal Acts of Religion, and the Vices Opposed, nn. 862–878 (17 passages)

A Handbook of Moral Theology (Koch–Preuss)

Vol. IV, Pt. I, Ch. I, Efficacy, and Object of Prayer, nn. ¶1–¶14 (14 passages)

Vol. IV, Pt. I, Chapter II: The Necessity of Prayer and the Duty of Praying, nn. ¶1, ¶2 & ¶4–¶34 (33 passages — hover a number to read it)

Manuale Theologiae Moralis

Vol. II, Tr. XI, Sect. II, Q. I, Ch. II, Art. II, § 1. On the Notion and Division of Prayer, nn. 331, 332, 333, 334, 335, 336 & 337 (7 passages — hover a number to read it)

Vol. II, Tr. XI, Sect. II, Q. I, Ch. II, Art. II, § 3. On the Necessity of Prayer, nn. 346, 347 & 348 (3 passages — hover a number to read it)

Summa Theologiae Moralis

Vol. II, Special Moral Theology: On…, Treatise: On the Cardinal …, Fifth Part: On the Virtues…, Section B: On the Acts of …, Ch. I, Question Two: On Prayer, Article III: On the Necessity and Efficacy of Prayer, nn. ¶1, 676, 677, 678, 679 & 680 (23 passages — hover a number to read it)

Compendium of Moral Theology

Vol. I, Tr. VI, On the First Precept of th…, Ch. I, Article II. On Prayer, n. 202 — I Say 1st. Prayer is certainly necessary for all adults by necessity of precept, as is proved from many places of Scripture, for example, Matt. xiv, 38: "Watch and pray": and Luke xviii, 1: "It is necessary always to pra… Read in context →

Christian Theology, Dogmatic and Moral, in Compendium

Bk. III, Diss. V, Chapter II — On Prayer, and its necessity, nn. I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII & XIII (13 passages — hover a number to read it)

Palladium Theologicum, Tome V: On the Virtues

Tr. III, Disputation III: On Prayer, Question I: What prayer is, nn. 1–18 (18 passages)

Tr. III, Disputation III: On Prayer, Question II: Of how many kinds is prayer, nn. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 & 13 (13 passages — hover a number to read it)

Tr. III, Disputation III: On Prayer, Question III: Whether prayer is necessary, nn. 1–47 (47 passages)

The Catechism of the Council of Trent (The Roman Catechism)

Pt. IV, Prayer in General, nn. ¶3–¶24 (22 passages)

The Catechism Explained: An Exhaustive Exposition of the Christian Religion

Pt. III, IV. PRAYER, 1. THE NATURE OF PRAYER, nn. ¶1–¶16 (16 passages)

Pt. III, IV. PRAYER, 2. THE UTILITY AND NECESSITY OF PRAYER, nn. ¶1–¶16 (16 passages)

Treated under the broader heading Prayer — Wouters, Manual of Moral Theology · Bucceroni, Institutions of Moral Theology · Gury-Ballerini, Compendium of Moral Theology (8th ed., 1884) · Vermeersch, Theologia Moralis · Marc, Institutiones Morales · Slater, Cases I · The Casuist · St. Alphonsus, True Spouse · Deshon, Guide · Slater, Back to Morality · 1917 Code of Canon Law — these works do not divide the matter as finely as we do here, so their treatment stands one heading up (ed.)