A Topic of Moral Theology
The Marriage Debt
The mutual rights and duties of spouses (de debito conjugali).
The works themselves ask 183 questions under this heading — see them together with their answers.
Within this topic
- The marriage debt: what is owed and what is lawful ▸ 2 subtopics
- Onanism ▸ 2 subtopics
- The Impediments of the Conjugal Act
See also Obligations of Husband and Wife — in Duties to Parents and Superiors (Fourth Commandment) · Chastity (Sixth and Ninth Commandments) — in The Commandments of God · Chastity (Sixth and Ninth Commandments) — in The Commandments of God · The purpose of the sexual faculty and its lawful use — in The Nature of Impurity
Also asked about as…
acts of spouses · conjugal rights · family planning · marital act · marital intimacy · marital relations · natural family planning · periodic continence · refusing sex to spouse · rhythm method · safe period · sex in marriage · sex with my husband · sex with my wife (ed.)
In the index as Conjugal Debt (Debitum conjugale) · Marriage · Onanism · Conjugal act · Spouses · Lust · Divorce (canonical) · Intercourse · Mutual imperfect venereal acts of spouses · Acts of spouses · Cohabitation of Spouses (Cohabitatio conjugum) · Delectation · Wife · Betrothed · Conjugal intercourse · Cooperation (Cooperatio) · Husband · Imperfect acts of lust · Matrimony · Old Persons · Pleasure · Pollution · Sodomy · Touches
In the manuals
Read the manuals side by side → — each work's whole treatment in its own column
Summa of Moral Theology (Summa Theologiae Moralis)
Noldin, Summa of Moral Theology, On the Sixth Precept and t…, Book Two. On the Use of Marriage., n. 64 — 64. The use of marriage consists in that action of spouses which was instituted by nature for conserving and propagating the human race, namely in carnal intercourse. By the Apostle this action of spouses is called the d… Read in context →
Noldin, Summa of Moral Theology, On the Sixth Precept and t…, Book Two. On the Use of Ma…, Question Two. On the Liceity of the Conjugal Act by Reason of Circumstances., n. ¶1 — The circumstances which can bring it about that the conjugal act becomes illicit and morally evil are its end, mode or situation, time, and place.Read in context →
§ 1. On the End., n. 78 — 78. There are several ends on account of which the conjugal act can be exercised; some of these are proper and essential, others improper and accidental. The proper ends are: a. for generating offspring; b. for avoiding … Read in context →
Noldin, Summa of Moral Theology, On the Sixth Precept and t…, Book Two. On the Use of Ma…, Question Three. On the Obligation of the Conjugal Act., nn. 87, 88, 89, 90, 91 & 92 (6 passages — hover a number to read it)
Noldin, Summa of Moral Theology, On the Sixth Precept and t…, Book Two. On the Use of Ma…, Question Four. On Licit Things in Marriage., nn. 93, 94, 95 & 96 (4 passages — hover a number to read it)
A Manual of Moral Theology for English-Speaking Countries
Vol. II, Bk. IX, Chapter XIV. De Debito Conjugali, nn. 1, 2, 3 & 4 (4 passages — hover a number to read it)
Manual of Moral Theology (Manuale Theologiae Moralis)
Vol. III, Book II. On Conjugal Chastity in Particular, n. ¶1 — (St. Thomas, Supplement, q. 49, aa. 4-6; St. Alphonsus, Theologia Moralis, VI, 900-954; Homo Apostolicus, tract XVIII, nn. 35-50). As we noted above, conjugal chastity is that by which spouses exclude the unlawful use of… Read in context →
Vol. III, Bk. II, Part I. On the Lawful Acts of Spouses, n. ¶1 — The principal act, or conjugal intercourse, and accessory acts are distinguished. ---Read in context →
Vol. III, Bk. II, Pt. I, Sect. I, Ch. I, Article I. On the End, n. 82 — I. The intrinsic ends of conjugal intercourse, namely, of the work itself, are: the principal end is the procreation of offspring; the secondary ends are the quieting of appetite or concupiscence, both in oneself and in … Read in context →
Vol. III, Bk. II, Pt. I, Section II. On Accessories to Intercourse, nn. ¶1, 101, 102 & 103 (4 passages — hover a number to read it)
Commentaries on the Nature of Moral Theology, on Conscience and Probabilism, on the Fourth Precept, and on the Sixth and Ninth Precepts of the Decalogue (Commentarii)
Ch. I, Art. IX, Embraces, and Other Touches with Respect to Spouses, nn. 27, 28 & 29 (9 passages — hover a number to read it)
Chapter IV: On the Use of Marriage, n. 137 — 137. We have spoken chiefly in the preceding chapters about sins outside the use of marriage; now we must speak about sins within the very use of marriage. Therefore first it must be said concerning the lawfulness of thi… Read in context →
Ch. IV, Article I: On the Intrinsic Nature of the Use of Marriage, nn. 138, 139, 140, 141, 142, 143, 144, 145, 146, 147 & 148 (23 passages — hover a number to read it)
Ch. IV, Article II: On Impotence, nn. 149, 150, 151, 152, 153, 154, 155, 156 & 157 (31 passages — hover a number to read it)
Ch. IV, Article III: On the Extrinsic Circumstances of the Use of Marriage, nn. 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191 & 192 (82 passages — hover a number to read it)
Ch. IV, Article IV: On Asking for and Rendering the Debt, nn. 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222 & 223 (56 passages — hover a number to read it)
Cases of Conscience, Proposed by Cardinal de Lugo, by Fr. Beniamino Elbel, by Fr. Ioannes Petrus Gury and by Other Authors, and Resolved (Casus conscientiae)
64. On the Use of Marriage, nn. 1, 2, 3, 4, 5 & 6 (36 passages — hover a number to read it)
Institutions of Moral Theology (Institutiones Theologiae Moralis)
Vol. IV, On Marriage, V. On the Use of Marriage, nn. 1051–1083 (33 passages)
Vol. IV, Appendix, Marital and Perfect Intercourse, nn. ¶1, ¶2, ¶3 & ¶4 (4 passages — hover a number to read it)
Vol. IV, Appendix, Consummation of Marriage According to the Common Opinion of Doctors, nn. ¶1, ¶2, ¶3, ¶4 & ¶5 (5 passages — hover a number to read it)
Vol. IV, Appendix, Marriage of Old Persons, n. ¶1 — To nn. 994, 1053. The Angelic Doctor, Quaestiones Disputatae de Malo, q. 15, a. 2 ad 14: "That act is against nature in the genus of lust from which generation cannot follow according to the common species of the act; bu… Read in context →
Vol. IV, Appendix, Intercourse with a Pregnant Woman, n. ¶1 — To n. 1074. This intercourse could seem illicit, because, since the uterus is closed during the time of pregnancy, commingling of the male seed with the ovule of the woman cannot be had. Consequently marriage cannot be c… Read in context →
Compendium of Moral Theology of Fr. John Peter Gury, S.J., with the Notes of Antonio Ballerini, S.J.
Vol. II, Treatise on Matrimony, Chapter VIII. On the Conjugal Debt, n. 906 (4 passages — hover a number to read it)
Synopsis of Moral and Pastoral Theology
Vol. I, Matrimony, and Holy Orders, On Marriage (Volume I), Supplement to the Treatise on Marriage, nn. 15, 55, 56, 57, 58, 59, 60, 61 & 62 (9 passages — hover a number to read it)
What Is Marriage? A Catechism Arranged According to the Encyclical “Casti Connubii” of Pope Pius XI
Vermeersch, What Is Marriage?, Part One: The Blessings of…, The Second Blessing: Conjugal Fidelity, nn. 44, 45, 46, 47, 48, 49 & 50 (7 passages — hover a number to read it)
Theologia Moralis: Principles — Responses — Counsels
Vol. III, Tomus IV: On Chastity and …, Tr. III, Chapter IV: Duties of Matrimonial Chastity, n. ¶1 — Usefulness. The necessity of this chapter is too manifest to be demonstrated. But day by day there increase in number cases concerning lawful and unlawful things between spouses, and concerning the material cooperation o… Read in context →
Vol. III, Tomus IV: On Chastity and …, Tr. III, Ch. IV, Article II: On the Incomplete Use of Marriage, nn. ¶1, 65, 66, 67 & 68 (5 passages — hover a number to read it)
Pastoral Questions
Merkelbach, Pastoral Questions, I. Questions Concerning Ch…, On Chastity and Lust, Question Eight: Concerning Spouses in the Use of Marriage, nn. ¶522, ¶523, ¶524, ¶525, ¶526 & ¶527 (6 passages — hover a number to read it)
Article I: Concerning the Essence and End of Conjugal Copulation, nn. ¶528–¶547 (20 passages)
Article II: Concerning the Circumstances of Conjugal Copulation, nn. ¶548–¶586 (39 passages)
Article III: Concerning Accessory Acts Connected with Conjugal Copulation, nn. ¶587–¶610 (24 passages)
Article V: Concerning the Conjugal Debt and Concerning Defect in the Use of Marriage, nn. ¶676–¶706 (31 passages)
Ch. I, Question I: Concerning Spouses, nn. ¶4139–¶4222 (84 passages)
Manuale Theologiae Moralis
Vol. III, Pt. II, Tr. X, Ch. V, Article I. On The Liceity Of The Conjugal Act, nn. 690, 691, 692 & 693 (4 passages — hover a number to read it)
Institutiones Morales Alphonsianae
Vol. II, Part Third: On the Sacrame…, Tr. VIII, Chapter VII: On The Rights And Duties Of Spouses, n. ¶1 — What the RIGHTS and DUTIES of spouses are, we set forth summarily in the Treatise on the fourth Precept (n. 703 and 704). - It remains that here we treat specifically of the conjugal debt and of cohabitation.Read in context →
Vol. II, Part Third: On the Sacrame…, Tr. VIII, Ch. VII, Article I: On The Conjugal Debt, n. ¶2092 — 2092. The conjugal act is customarily named by theologians the conjugal debt, both because spouses mutually owe this act to themselves, and especially because the Apostle thus called it, saying (1 Cor. 7:3): Let the husb… Read in context →
Vol. II, Part Third: On the Sacrame…, Tr. VIII, Ch. VII, Art. I, § 1. On The Liceity Of The Conjugal Act, nn. ¶2093, ¶1, ¶2094, ¶2095, ¶2096, ¶2097, ¶2, ¶2098, ¶2099, ¶3, ¶2100, ¶2101 & ¶2102 (13 passages — hover a number to read it)
Vol. II, Part Third: On the Sacrame…, Tr. VIII, Ch. VII, Art. I, § 2. On The Obligation Of The Conjugal Act, nn. ¶1, ¶2, ¶2103, ¶2104, ¶2105, ¶3, ¶2106, ¶2107, ¶2108 & ¶2109 (10 passages — hover a number to read it)
Vol. II, Part Third: On the Sacrame…, Tr. VIII, Ch. VII, Art. I, § 3. On The Sins Of Spouses, nn. ¶1, ¶2, ¶2110, ¶2111, ¶2112, ¶2113, ¶3, ¶2114, ¶2115, ¶2116, ¶2117, ¶2118 & ¶2119 (13 passages — hover a number to read it)
Vol. II, Part Third: On the Sacrame…, Tr. VIII, Ch. VII, Article II: On The Cohabitation Of Spouses, n. ¶1 — Spouses, on account of the undivided manner of life by which they are bound to each other in turn, and on account of the mutual help which one ought to furnish to the other, are held to cohabit together, unless a legitim… Read in context →
Vol. II, Part Third: On the Sacrame…, Tr. VIII, Ch. VII, Art. II, § 1. On The Obligation Of Cohabiting, nn. ¶2120 & ¶2121 (2 passages — hover a number to read it)
Vol. II, Part Third: On the Sacrame…, Tr. VIII, Ch. VII, Art. II, § 2. On The Legitimate Separation Of Spouses, nn. ¶2122, ¶2123, ¶2124, ¶2125, ¶1, ¶2 & ¶2126 (7 passages — hover a number to read it)
Theologia Moralis Sancti Alphonsi: Reduced into a Compendium
Vol. II, Treatise on Matrimony, Chapter VIII. On the Conjugal Debt, n. ¶1640 — 1640. - Hear St. Alphonsus, approaching this question: "It grieves me to have a longer discourse on this matter, which carries before itself such foulness that it disturbs chaste minds by its very name alone. But would t… Read in context →
Vol. II, Treatise on Matrimony, Ch. VIII, Art. I, 1° In Itself; 2° As Regard…, § I. On the Liceity of the Conjugal Act Considered in Itself, nn. ¶1641 & ¶1642 (2 passages — hover a number to read it)
Vol. II, Treatise on Matrimony, Ch. VIII, Art. I, 1° In Itself; 2° As Regard…, § II. On the Liceity of the Conjugal Act as Regards Circumstances, nn. ¶1, ¶2, ¶1643, ¶3, ¶1644, ¶1645, ¶4 & ¶1646 (8 passages — hover a number to read it)
Vol. II, Treatise on Matrimony, Ch. VIII, Article II. On the Obligation of the Conjugal Act, nn. ¶1647 & ¶1648 (2 passages — hover a number to read it)
Vol. II, Treatise on Matrimony, Ch. VIII, Article III. On the Sins of Spouses, n. ¶1649 — 1649. - Sins can be perpetrated between spouses by reason of the conjugal act either by excess, that is, by placing acts useless for generation, or by defect, by not completing the essential act, or by staining the bed w… Read in context →
Vol. II, Treatise on Matrimony, Ch. VIII, Art. III, § I. On the Sins of Spouses by Excess, nn. ¶1, ¶1650 & ¶1651 (3 passages — hover a number to read it)
Vol. II, Treatise on Matrimony, Ch. VIII, Art. III, § II. On Onanism in Particular, nn. ¶1652, ¶1653, ¶1654, ¶1655, ¶1, ¶1656, ¶1657, ¶1658, ¶1659, ¶2 & ¶3 (11 passages — hover a number to read it)
Summa Theologiae Moralis
Vol. III, Special Moral Theology: On…, Treatise: On Matrimony, Fourth Part: On the Obliga…, Question One: On the Conjugal Debt, nn. ¶1 & 937 (11 passages — hover a number to read it)
Vol. III, Special Moral Theology: On…, Treatise: On Matrimony, Fourth Part: On the Obliga…, Question One: On the Conju…, Article I: On the Liceity of Conjugal Copula, nn. ¶1, 938, 939, 940 & 941 (39 passages — hover a number to read it)
Vol. III, Special Moral Theology: On…, Treatise: On Matrimony, Fourth Part: On the Obliga…, Question One: On the Conju…, Article II: On the Circumstances of Conjugal Copula, nn. ¶1, 942, 943, 944, 945 & 946 (33 passages — hover a number to read it)
Compendium of Moral Theology
Vol. II, Tr. XVIII, Chapter X. On the Conjugal Debt, n. ¶1 — The conjugal debt is called that common action of spouses which is necessary for generation, and which has been ordained by the supreme Provider of all things for propagating human society. But this action is situated in… Read in context →
Vol. II, Tr. XVIII, Ch. X, Article I. On the Liceity of the Conjugal Act, nn. 933 & 934 (2 passages — hover a number to read it)
New Questions, Old Answers: Catholic Morals and Natural Family Planning
Clark, New Questions, Old Answers, Chapter One: The Marital D…, Marital Debt?, nn. 1, 2, 3, 4, 5, 6, 7, 8 & 9 (9 passages — hover a number to read it)
Clark, New Questions, Old Answers, Chapter One: The Marital D…, The Doctrine of The Catechism of St. Thomas Aquinas, nn. 1–15 (15 passages)
Christian Theology, Dogmatic and Moral, in Compendium
Diss. III, Chapter III — On the sins of spouses in contracting matrimony, and on their obligation in the mutual rendering of the debt, nn. I–XXVIII (28 passages)
Diss. III, Chapter IV — On the sins which spouses can perpetrate in the exercise of the conjugal office against the end, the time, the place, and the good of offspring, nn. I–XIX (19 passages)
The Catechism of the Council of Trent (The Roman Catechism)
Pt. II, The Sacrament of Matrimony, nn. ¶64, ¶65, ¶66 & ¶67 (4 passages — hover a number to read it)
The Casuist: A Collection of Cases in Moral and Pastoral Theology
Vol. IV, Case LXXIX: Syphilis in Marriage, nn. ¶1–¶18 (18 passages)
The Decretum of Gratian (Concordia discordantium canonum)
Pt. II, Causa XXXII, Question II, cc. ¶ & 1–16 (17 passages — hover a number to read it)
Pt. II, Causa XXXIII, Question IV, cc. ¶, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 & 13 (14 passages — hover a number to read it)
Cases of Conscience for English-Speaking Countries, Volume I
Slater, Cases I, The Fifth Commandment, Case 1. Unlawful Precautions, nn. ¶1, ¶2, ¶3, ¶4, ¶5, ¶6, ¶7 & ¶8 (8 passages — hover a number to read it)
Cases of Conscience for English-Speaking Countries, Volume II
Slater, Cases II, Matrimony, Case 37. A Troubled Wife, nn. ¶1, ¶2, ¶3, ¶4, ¶5, ¶6, ¶7, ¶8, ¶9, ¶10, ¶11 & ¶12 (12 passages — hover a number to read it)
Moral Theology: A Complete Course (McHugh & Callan)
Vol. II, Pt. II, Q. III, Art. 2. Duties of Members …, The Conjugal Debt, nn. 2614, 2615, 2616 & 2617 (4 passages — hover a number to read it)
Vol. II, Pt. II, Q. III, Art. 2. Duties of Members …, Contraception and Onanism, n. 2620 — Contraception. Contraception.—Contraception in all its forms (onanism, condonism, vaginal irrigation, spermatocide) is a grave crime. (a) It is an Injury to God.—Marriage was instituted by God to propagate the human race (Gen., i. 27, … Read in context →
Vol. II, Pt. II, Q. III, Art. 2. Duties of Members …, Birth-control, nn. 2621 & 2622 (2 passages — hover a number to read it)
On the Morals of To-Day
Chapter I: The Morality of Anti-conceptive Devices, nn. ¶17–¶41 (25 passages)
Back to Morality
Chapter XVIII: Frustrating Nature, nn. ¶369, ¶370, ¶371, ¶372, ¶373 & ¶374 (6 passages — hover a number to read it)
Palladium Theologicum, Tome V: On the Virtues
Tr. VI, Disputation II: On the Vic…, Q. III, Doubt IX: On lust between spouses, nn. 1–30 (30 passages)
On Chastity and on the Contrary Vices: A Doctrinal and Moral Treatise
Ch. II, Art. III, § 2, III. On the Excuses for Artificial Sterility and Abortion, nn. 132, 133, ¶713, ¶714, ¶715, ¶716, ¶717, ¶718, ¶719, ¶720, 134, ¶721 & ¶722 (13 passages — hover a number to read it)
Ch. I, Article I. Which Complete Use of Marriage is Morally Good, nn. 223 & ¶1249 (2 passages — hover a number to read it)
Ch. I, Art. I, § 1. On the End of Morally Good Intercourse, nn. 224, ¶1250, ¶1251, ¶1252, ¶1253, ¶1254, ¶1255, ¶1256, ¶1257, ¶1258, ¶1259, 225, ¶1260, ¶1261, ¶1262, ¶1263, ¶1264, ¶1265, ¶1266, 226, ¶1267, ¶1268, ¶1269, ¶1270, ¶1271, ¶1272 & ¶1273 (27 passages — hover a number to read it)
Ch. I, Art. I, § 2. On the Circumstances of Morally Good Intercourse, n. 227 — The circumstances. What each signifies.. 227. - We shall consider in order the circumstances: who, why, when, in what manner, by what aids, and where. This one thing remains to be noted. To the question why, through the principal end itself and proximate, an an… Read in context →
Ch. I, Art. I, § 2, I. Circumstance: Who, nn. 228, ¶1274, ¶1275, 229, ¶1276, ¶1277, ¶1278, ¶1279, ¶1280, ¶1281, ¶1282, 230, ¶1283, 231, ¶1284, ¶1285, ¶1286, 232, 233, ¶1287, ¶1288, ¶1289, ¶1290, ¶1291, ¶1292, ¶1293, ¶1294, ¶1295, 234, ¶1296, 235, ¶1297–¶1316, 236, 237, ¶1317, ¶1318, ¶1319, ¶1320 & ¶1321 (58 passages — hover a number to read it)
Ch. I, Art. I, § 2, II. Circumstance: Why, nn. 238 & ¶1322 (2 passages — hover a number to read it)
Ch. I, Art. I, § 2, III. Circumstance: When, nn. 239, ¶1323, ¶1324, ¶1325, ¶1326, ¶1327, ¶1328, ¶1329, ¶1330, ¶1331, ¶1332, ¶1333, ¶1334 & ¶1335 (14 passages — hover a number to read it)
Ch. I, Art. I, § 2, IV. Concerning the Circumstance: In what Manner, nn. 240 & ¶1336–¶1355 (21 passages — hover a number to read it)
Ch. I, Art. I, § 2, V. Concerning the Circumstance: By what Aids, nn. 241, ¶1356, ¶1357, ¶1358 & ¶1359 (5 passages — hover a number to read it)
Ch. I, Art. I, § 2, VI. Concerning the Circumstance: Where, nn. 242, ¶1360, ¶1361, ¶1362 & ¶1363 (5 passages — hover a number to read it)
Ch. I, Article II. What Use of Marriage is to be Desired, nn. 243, ¶1364 & ¶1365 (3 passages — hover a number to read it)
Ch. I, Article III. What Use of Marriage is Owed, nn. 244, ¶1366, ¶1367, ¶1368, ¶1369, 245, ¶1370, ¶1371, ¶1372, 246, ¶1373, 247, ¶1374, 248, 249, ¶1375, ¶1376, ¶1377, 250, 251, ¶1378, ¶1379, 252, 253, 254, ¶1380, ¶1381, 255, ¶1382 & ¶1383 (30 passages — hover a number to read it)
Chapter II. On the Incomplete Use of Marriage, n. ¶1396 — What is the incomplete use of marriage?. We call every use of marriage other than perfect intercourse incomplete, that is, intercourse so performed that, on the part of the spouses, nothing is lacking for generation.Read in context →
Ch. II, Article I. On Onanistic Intercourse and Similar Violations of Nature, nn. 257, ¶1397, 258, ¶1398–¶1413, 259, ¶1414, ¶1415, 260, ¶1416, ¶1417, ¶1418, ¶1419, ¶1420, ¶1421, ¶1422, ¶1423, ¶1424, 261, ¶1425, ¶1426, ¶1427, ¶1428, ¶1429, ¶1430, ¶1431, ¶1432, ¶1433, ¶1434, 262, ¶1435, ¶1436, ¶1437, ¶1438, ¶1439, 263, ¶1440, ¶1441, ¶1442, ¶1443, ¶1444, ¶1445, ¶1446, ¶1447, ¶1448, 264, ¶1449, ¶1450, ¶1451, ¶1452, ¶1453, ¶1454, ¶1455, 265, 266, ¶1456, ¶1457, ¶1458, ¶1459, 267, ¶1460, ¶1461, ¶1462, ¶1463, 268, ¶1464, 269, ¶1465, 270 & ¶1466–¶1482 (100 passages — hover a number to read it)
Treated under the broader heading Matrimony — Bucceroni, Moral Enchiridion · Bucceroni, Moral Enchiridion (4th ed., 1905) · Koch–Preuss · Palmieri, On Christian Marriage · Spirago · Deshon, Guide · 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.)