A Topic of Moral Theology

The Nature of Impurity

What the sin of impurity is: venereal pleasure sought outside its lawful use, and why no light matter is admitted in it.

Within this topic

In the index as Impurity · Lust (Luxuria) · Pleasure · Luxury · Chastity · Temptation · Delight (Delectatio) · Sacrilege · Delectation · Venereal delectation · Adultery · Coenesthetic sensations · Fornication · Impudicity · Morose delectation · Organs · Sexual appetite · Venereal affection · Venereal movement · Woman · Act of generation · Bestiality · Birth · Boy

In the manuals

A Manual of Moral Theology for English-Speaking Countries

Vol. I, Bk. VI, Pt. VI, Chapter I. The Nature of Impurity, nn. 1 & 2 (2 passages — hover a number to read it)

Vol. I, Bk. VI, Pt. VI, Chapter IV. Non-consummated Acts of Impurity, n. 1 — AS we saw above, mortal sin is always committed whenever venereal pleasure is directly sought or deliberate consent is given to it, even though the venereal excitement be little and stop short of consummated sin. In othe… Read in context →

Manual of Moral Theology (Manuale Theologiae Moralis)

Vol. III, Preliminary Notions, nn. ¶1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 & 13 (14 passages — hover a number to read it)

Moral Theology: A Complete Course (McHugh & Callan)

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Impurity, nn. 2492, 2493, 2494, 2495 & 2496 (5 passages — hover a number to read it)

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Temptations to Impurity, nn. 2497, 2498, 2499, 2500, 2501 & 2502 (6 passages — hover a number to read it)

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Non-consummated Sins of Impurity, n. 2504 — Non-Consummated Sins of Impurity. Non-Consummated Sins of Impurity.—These include all those preparatory sins in which unlawful sex pleasure is not carried to completion by coition or pollution. We shall speak first of the internal sins of thought, deligh… Read in context →

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Impure Thoughts, nn. 2505 & 2506 (2 passages — hover a number to read it)

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Impure Rejoicing, n. 2507 — Impure Rejoicing. Impure Rejoicing.—Impure rejoicing is a deliberate pleasure of the mind yielded to the recollection of a past sin of impurity. Hence, this sin of rejoicing is committed when one thinks with approval of a fornication of f… Read in context →

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Impure Desire, nn. 2508 & 2509 (2 passages — hover a number to read it)

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Lewdness, n. 2510 — Lewdness. Lewdness.—After the internal sins follow the external sins of lewdness or indecency (impudicitia). These may be defined as “external acts which are performed from or with deliberate venereal pleasure that is not consumma… Read in context →

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, The Consummated Sins of Impurity, nn. 2520, 2521 & 2522 (3 passages — hover a number to read it)

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Fornication, n. 2523 — Fornication. Fornication.—Fornication is the copulation of an unmarried man with an unmarried woman who is not a virgin. (a) It is copulation, or sexual intercourse suited for generation of children. Thus, it differs from lewdness, w… Read in context →

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Incest, n. 2532 — Incest as a Distinct Species of Sin. Incest as a Distinct Species of Sin.—(a) There is a specific distinction between incest and other forms of lust, since incest violates not only purity, but also the piety and respect due each other by those who are so cl… Read in context →

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Carnal Sacrilege, n. 2533 — Carnal Sacrilege. Carnal Sacrilege.—Carnal sacrilege is the violation by an act of impurity of the sacredness of a person, place or thing. (a) It is a violation of sacredness, and thus it is a special sin, adding irreligion to lust (see 2… Read in context →

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Sins Against Nature, n. 2534 — Unnatural Lust. Unnatural Lust.—Worst among the sins of impurity, as such, are crimes of unnatural lust, for they exercise the sexual act, not only illicitly, but also in a manner that defeats its purpose of reproduction. In some non-ve… Read in context →

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Pollution, nn. 2535, 2536, 2537 & 2538 (4 passages — hover a number to read it)

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, The Sinfulness of Pollution, nn. 2539 & 2541 (2 passages — hover a number to read it)

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Penalties, n. 2542 — Penalties for Immorality Decreed in Canons 2357-2359. Penalties for Immorality Decreed in Canons 2357-2359.—(a) Laymen who are guilty of certain offenses against the sixth commandment become infamous on conviction and are excluded from legitimate ecclesiastical acts. In cas… Read in context →

Compendium of Moral Theology of Fr. John Peter Gury, S.J., with the Notes of Antonio Ballerini, S.J.

Vol. I, Treatise On the Precepts o…, On the Sixth and Ninth Precepts of the Decalogue, n. 412 (4 passages — hover a number to read it)

On Chastity and on the Contrary Vices: A Doctrinal and Moral Treatise

§ 5. Various Pleasures. Venereal Movement, nn. 22, ¶192, ¶193, ¶194, ¶195, ¶196, 23, 24, ¶197, ¶198, ¶199, 25, ¶200, ¶201, ¶202, 26, ¶203, ¶204, ¶205, ¶206, 27, ¶207, ¶208, ¶209, 28, ¶210, ¶211, ¶212, ¶213 & ¶214 (30 passages — hover a number to read it)

Vermeersch, On Chastity, Supplements, Certain Things to be Noted…, II. Which Psychic Elements Pertain to the Strictly Sexual or Venereal Act, nn. 423, ¶2189, ¶2190, ¶2191, ¶2192, ¶2193, 424, 425, 426 & ¶2194 (10 passages — hover a number to read it)

Pastoral Questions

Merkelbach, Pastoral Questions, I. Questions Concerning Ch…, On Chastity and Lust, Question Two: Concerning Chastity and Lust in General — Theological Principles, nn. ¶63, ¶64, ¶65, ¶66, ¶67, ¶68, ¶69, ¶70, ¶71, ¶72, ¶73, ¶86, ¶87, ¶88, ¶89, ¶90, ¶91, ¶92, ¶93, ¶94 & ¶127–¶143 (37 passages — hover a number to read it)

Moral Principles and Medical Practice: The Basis of Medical Jurisprudence

Coppens, Medical Practice, Lecture V. Venereal Excesses, nn. ¶3, ¶4, ¶5, ¶6 & ¶7 (5 passages — hover a number to read it)

Institutiones Morales Alphonsianae

Vol. I, Pt. II, Sect. II, Tr. VI, CHAPTER I: On Chastity and Lust in General, nn. ¶1 & ¶763 (2 passages — hover a number to read it)

Vol. I, Pt. II, Sect. II, Tr. VI, Ch. I, ARTICLE I: On Chastity and Modesty, nn. ¶764, ¶765 & ¶766 (3 passages — hover a number to read it)

Vol. I, Pt. II, Sect. II, Tr. VI, Ch. I, ARTICLE II: On Lust and Immodesty, nn. ¶767, ¶768, ¶769 & ¶770 (4 passages — hover a number to read it)

Theologia Moralis Sancti Alphonsi: Reduced into a Compendium

Vol. I, TREATISE ON THE PRECEPTS O…, Ch. I, ARTICLE II: ON LUXURY IN GENERAL, nn. ¶483, ¶484 & ¶485 (3 passages — hover a number to read it)

Manuale Theologiae Moralis

Vol. II, Tr. XIII, Ch. III, Art. V, Namely, Lust, § 1. On Lust in General, nn. 681, 682, 683 & 684 (4 passages — hover a number to read it)

Summa Theologiae Moralis

Vol. II, Special Moral Theology: On…, Treatise: On the Cardinal …, Fourth Part: On the Virtue…, Question Two: On Luxury, nn. ¶1, 1000, 1001, 1002, 1003 & 1004 (33 passages — hover a number to read it)

Compendium of Moral Theology

Vol. I, Tr. VI, On the Sixth and Ninth Precept of the Decalogue, n. 279 — For the understanding of those things which follow, these things are to be noted beforehand: I. Lust is the disordered appetite of a venereal thing, and consists in venereal pleasure voluntarily admitted outside marriage… Read in context →

Palladium Theologicum, Tome V: On the Virtues

Tr. VI, Disputation II: On the Vic…, Q. III, Doubt I: What lust is, and of how many kinds, nn. 1–15 (15 passages)

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

Pt. III, The Sixth Commandment, nn. ¶6, ¶7, ¶8, ¶9, ¶10 & ¶11 (6 passages — hover a number to read it)

The Catechism Explained: An Exhaustive Exposition of the Christian Religion

Pt. II, Vice and Virtue, Perfection, B. GOOD WORKS, VIRTUE, SIN, VICE, VIII. THE SEVEN PRINCIPAL …, 12. UNCHASTITY, nn. ¶1, ¶2, ¶3, ¶4, ¶5, ¶6, ¶7 & ¶8 (8 passages — hover a number to read it)

Guide for Catholic Young Women

Chapter LXIII: On Holy Purity, nn. ¶763–¶779 (17 passages)

Theologia Moralis: Principles — Responses — Counsels

Vol. III, Tomus IV: On Chastity and …, Proemium, Article II: Introduction Concerning Sexual Matter, nn. ¶1 & 3–16 (15 passages — hover a number to read it)

Treated under the broader heading Chastity (Sixth and Ninth Commandments) — Bucceroni, Institutions of Moral Theology · Bucceroni, Cases of Conscience · Tanquerey · 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.)