Contents (as printed)

• Introduction - 1

Part First. On the Precepts of the Theological Virtues

Book First. On the Precepts of Faith

• Question 1. On the nature of faith - 4
• Question 2. On the necessity of faith
• Art. 1. On the necessity of the act of faith - 10
• Art. 2. On the truths necessarily to be believed - 12
• Art. 3. On the precept of internal faith - 17
• Art. 4. On the precept of external faith - 21
• Art. 5. On denial of faith - 23
• Question 3. On sins against faith
• Art. 1. On infidelity - 26
• Art. 2. On apostasy from faith and on heresy - 30
• Art. 3. On doubt in faith - 35
• Art. 4. On communication with unbelievers and heretics - 38

Book Second. On the Precepts of Hope

• Question 1. On the nature of theological hope - 47
• Question 2. On the necessity of hope - 49
• Question 3. On sins against hope - 54

Book Third. On the Precepts of Charity

• Question 1. On the charity of God
• Art. 1. On the nature of the charity of God - 59
• Art. 2. On the necessity of the charity of God - 64
• Art. 3. On sins against the charity of God - 70
• Question 2. On charity of self
• Art. 1. On the nature of charity of self - 72
• Art. 2. On the precepts of charity of self - 73
• Art. 3. On the precept of laboring - 79
• Art. 4. On sins against charity of self - 83
• Question 3. On charity of neighbor
• Art. 1. On the nature of charity of neighbor - 84
• Art. 2. On the precept of charity of neighbor - 85
• Art. 3. On the order of charity - 87
• Art. 4. On the love of enemies - 95
• Art. 5. On external charity of neighbor
• Section 1. On mercy - 101
• Section 2. On alms - 103
• Section 3. On fraternal correction - 109
• Art. 6. On sins against charity of neighbor
• Section 1. On hatred - 114
• Section 2. On scandal - 116
• Section 3. On induction - 124
• Section 4. On cooperation - 129

Part Second. On the Precepts of the Decalogue

Book First. On the First Precept of the Decalogue

• Question 1. On the nature of religion - 146
• Question 2. On the acts of religion
• Art. 1. On adoration - 149
• Art. 2. On prayer - 151
• Question 3. On sins against religion - 162
• Art. 1. On superstition of undue worship - 164
• Art. 2. On idolatry - 165
• Art. 3. On divination - 166
• Art. 4. On vain observance - 172
• Art. 5. On magic and malefice - 177
• Art. 6. On tempting God - 183
• Art. 7. On sacrilege - 186
• Art. 8. On simony - 194

Book Second. On the Second Precept of the Decalogue

• Question 1. On vain assumption of the name of God - 215
• Question 2. On blasphemy
• Art. 1. On blasphemy itself - 216
• Art. 2. On cursing - 221
• Question 3. On vow
• Art. 1. On the nature of vow - 222
• Art. 2. On the conditions required for a vow - 226
• Art. 3. On the obligation of a vow - 231
• Art. 4. On the cessation of a vow - 239
• Section 1. On simple cessation - 240
• Section 2. On irritation of a vow - 241
• Section 3. On dispensation of a vow - 245
• Section 4. On commutation of a vow - 251
• Question 4. On oath
• Art. 1. On oath itself and its lawfulness - 253
• Art. 2. On the conditions required for an oath - 257
• Art. 3. On promissory oath - 260
• Art. 4. On perjury - 267
• Art. 5. On adjuration - 270

Book Third. On the Third Precept of the Decalogue

• Question 1. On the sanctification of feasts - 273
• Question 2. On hearing Mass
• Art. 1. On the manner of hearing Mass - 276
• Art. 2. On causes excusing from Mass - 282
• Question 3. On the prohibition of servile works
• Art. 1. On prohibited works - 285
• Art. 2. On causes excusing from labor - 290

Book Fourth. On the Fourth Precept of the Decalogue

• Question 1. On piety, observance, and obedience - 295
• Question 2. On obligations in domestic society - 298
• Art. 1. On the obligations of spouses - 298
• Art. 2. On the obligations of children and parents
• Section 1. On the obligations of children - 303
• Section 2. On the obligations of parents - 309
• Art. 3. On the obligations of servants and masters
• Section 1. On the obligations of servants - 316
• Section 2. On the obligations of masters - 318
• Art. 4. On the obligations of employers and workers - 320
• Art. 5. On the obligations of pupils and teachers - 323
• Question 3. On obligations in civil society - 325
• Art. 1. On the ruler - 326
• Art. 2. On deputies - 327
• Art. 3. On the obligation of subjection - 328
• Art. 4. On the obligation of paying taxes - 331
• Art. 5. On the obligation of furnishing military service - 337
• Art. 6. On the obligation of electing deputies - 340

Book Fifth. On the Fifth Precept of the Decalogue

• Question 1. On the obligation of conserving life - 345
• Question 2. On killing and mutilation of oneself - 347
• Question 3. On killing a criminal - 353
• Question 4. On killing an unjust aggressor - 356
• Question 5. On killing an innocent person
• Art. 1. On homicide - 360
• Art. 2. On procuring abortion - 367
• Question 6. On duel - 374
• Question 7. On war - 377

Book Sixth. On the Seventh Precept of the Decalogue

• Preliminary Question. On the force of civil law in the matter of justice - 383

Chapter 1. On Ownership

• Question 1. On ownership in general
• Art. 1. On the nature of ownership - 387
• Art. 2. On the object of ownership - 392
• Art. 3. On the subject of ownership - 394
• Question 2. On ownership in external things
• Art. 1. On the origin of ownership in external things - 396
• Art. 2. On possession - 398
• Art. 3. On the ownership of sons under paternal power - 400
• Art. 4. On the ownership of spouses - 404
• Art. 5. On the ownership of authors - 408
• Art. 6. On the ownership of clerics - 410
• Question 3. On acquisition of ownership - 413
• Art. 1. On occupation - 414
• Art. 2. On finding - 418
• Art. 3. On accession - 423
• Art. 4. On labor - 425
• Art. 5. On prescription - 426

Chapter 2. On Violation of Ownership

• Question 1. On injury in general - 436
• Question 2. On unjust taking of a thing
• Art. 1. On the nature of theft - 440
• Art. 2. On causes diminishing theft - 443
• Art. 3. On causes excusing from theft
• Section 1. Extreme necessity - 450
• Section 2. Occult compensation - 452
• Question 3. On unjust damaging - 456

Chapter 3. On Repairing Violated Ownership

• Question 1. On restitution in general - 458
• Question 2. On restitution because of possession of another's thing
• Art. 1. On the possessor in good faith - 463
• Art. 2. On the possessor in bad faith - 470
• Art. 3. On the possessor in doubtful faith - 475
• Question 3. On restitution because of unjust damaging
• Art. 1. Required conditions - 477
• Section 1. An action truly unjust - 478
• Section 2. An efficacious cause of damage - 480
• Section 3. Theologically culpable - 482
• Art. 2. On doubtful damaging or damaging done with error - 484
• Art. 3. On certain damagings in particular
• Section 1. On damaging in spiritual goods - 488
• Section 2. On damaging because of homicide - 490
• Section 3. On damaging because of seduction or fornication - 494
• Section 4. On damaging because of adultery - 496
• Section 5. On damaging because of violated military law - 498
• Section 6. On damaging because of defrauded taxes - 499
• Question 4. On restitution because of unjust cooperation
• Art. 1. On unjust cooperation in general - 501
• Art. 2. On one commanding - 503
• Art. 3. On one giving counsel - 505
• Art. 4. On one consenting - 509
• Art. 5. On the flatterer, receiver, and participant - 510
• Art. 6. On negative cooperations - 512
• Art. 7. On restitution to be made by cooperators
• Section 1. On the quantity of restitution - 515
• Section 2. On the order of restitution - 518
• Question 5. On the circumstances of restitution
• Art. 1. To whom restitution is to be made - 520
• Art. 2. In what order restitution is to be made
• Section 1. Order among creditors from positive law - 524
• Section 2. Order among creditors from natural law - 526
• Art. 3. How restitution is to be made - 528
• Art. 4. When restitution is to be made - 531
• Question 6. On causes excusing from restitution
• Art. 1. On condonation - 533
• Art. 2. On impotence - 535
• Art. 3. On cession of goods - 536
• Art. 4. On composition - 538

Chapter 4. On Contracts

• Question 1. On contracts in general
• Art. 1. On the nature of contracts - 542
• Art. 2. On the matter of contracts - 545
• Art. 3. On capable persons - 548
• Art. 4. On the consent of contracting parties - 550
• Section 1. On the qualities of consent - 550
• Section 2. On defects of consent - 553
• Art. 5. On the cause of consent - 559
• Art. 6. On the obligation of contracts - 561
• Question 2. On unilateral contracts
• Art. 1. On promise - 568
• Art. 2. On donation - 570
• Art. 3. On testaments
• Section 1. On hereditary succession - 573
• Section 2. On last wills - 576
• Section 3. On testaments themselves - 580
• Question 3. On bilateral contracts of certain event
• Art. 1. On deposit - 585
• Art. 2. On commodatum - 587
• Art. 3. On mandate - 589
• Art. 4. On mutuum
• Section 1. On the nature of mutuum - 591
• Section 2. On pecuniary mutuum - 596
• Section 3. On interest and usury - 598
• Section 4. On the prohibition of usury - 600
• Art. 5. On purchase and sale
• Section 1. On purchase and sale in general - 603
• Section 2. On the obligations of the seller and buyer - 604
• Section 3. On just price - 608
• Section 4. On sales in particular - 613
• Art. 6. On letting - 617
• Section 1. On letting - 618
• Section 2. On hiring - 619
• Section 3. On hiring of a work - 624
• Art. 7. On the contract of partnership - 625
• Art. 8. On exchange - 627
• Question 4. On aleatory contracts - 628
• Art. 1. On wagering - 629
• Art. 2. On game - 630
• Art. 3. On lottery - 633
• Art. 4. On insurance - 634
• Art. 5. On stock-exchange speculations - 641

Book Seventh. On the Eighth Precept of the Decalogue

• Question 1. On veracity and fidelity - 645
• Question 2. On violation of truth
• Art. 1. On lying - 647
• Art. 2. On amphibology and mental restriction - 650
• Question 3. On violation of reputation
• Art. 1. On the right to honor and reputation - 655
• Art. 2. On detraction and calumny - 657
• Art. 3. On lawful revelation of another's crime - 663
• Art. 4. On one hearing detraction - 668
• Art. 5. On restitution of reputation - 670
• Question 4. On violation of honor
• Art. 1. On rash judgment - 673
• Art. 2. On insult - 676
• Question 5. On violation of secret - 679

Part Third. On the Precepts of the Church

Book First. On Abstinence and Fasting

• Question 1. On the precept of abstinence - 688
• Art. 1. On abstinence from flesh meat - 689
• Art. 2. On other forbidden foods - 694
• Question 2. On the precept of fasting
• Art. 1. On the precept of fasting itself - 697
• Art. 2. On the one meal - 700
• Art. 3. On causes excusing from fasting - 705
• Art. 4. On dispensation from abstinence and fasting - 709

Book Second. On Annual Confession and Paschal Communion

• Question 1. On annual confession - 713
• Question 2. On Paschal communion - 716

Book Third. On the Prohibition of Books

• Question 1. On the prohibition of books in general - 723
• Question 2. On publication of books - 732
• Question 3. On censorship of books - 734
• Question 4. On the prohibition of books in particular - 739

Book Fourth. On the Support of Pastors and Cremation of Corpses

• Question 1. On the precept of supporting pastors - 748
• Question 2. On the prohibition of cremating corpses - 750

Part Fourth. On Particular Precepts

Book First. On the Precepts of Laymen

• Question 1. On the judge and jurors - 755
• Question 2. On the plaintiff and accuser - 765
• Question 3. On the defendant - 767
• Question 4. On the advocate - 770
• Question 5. On witnesses - 773
• Question 6. On physicians - 777

Book Second. On the Precepts of Clerics

• Question 1. On vocation to the clerical state - 786
• Question 2. On the obligation of reciting the divine office
• Art. 1. On the divine office - 789
• Art. 2. On the obligation of reciting the divine office - 791
• Art. 3. On the form of the divine office - 795
• Art. 4. On the mode of reciting the divine office - 800
• Art. 5. On causes excusing from recitation of the office - 810
• Question 3. On the obligation of expending superfluous goods - 813
• Index of Subjects - 818