Summa Theologiae
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Summa theologiae seu Summa theologica, opus notissimum Theologiae Scolasticae, a Thoma Aquinati scripta, qua quaestiones responsaque theologiae illius temporis consummabat.
Divisio Summa
- Pars I Prima Pars q.1–119
- The Nature and Extent of Sacred Doctrine q.1
- The Existence of God q.2
- Of the Simplicity of God q.3
- The Perfection of God q.4
- Of Goodness in General q.5
- The Goodness of God q.6
- The Infinity of God q.7
- The Existence of God in Things q.8
- The Immutability of God q.9
- The Eternity of God q.10
- The Unity of God q.11
- How God Is Known by Us q.12
- The Names of God q.13
- Of God’s Knowledge q.14
- Of Ideas q.15
- Of Truth q.16
- Concerning Falsity q.17
- The Life of God q.18
- The Will of God q.19
- God’s Love q.20
- The Justice and Mercy of God q.21
- The Providence of God q.22
- Of Predestination q.23
- The Book of Life q.24
- The Power of God q.25
- Of the Divine Beatitude q.26
- The Procession of the Divine Persons q.27
- The Divine Relations q.28
- The Divine Persons q.29
- The Plurality of Persons in God q.30
- Of What Belongs to the Unity or Plurality in God q.31
- The Knowledge of the Divine Persons q.32
- Of the Person of the Father q.33
- Of the Person of the Son q.34
- Of the Image q.35
- Of the Person of the Holy Ghost q.36
- Of the Name of the Holy Ghost---Love q.37
- Of the Name of the Holy Ghost, as Gift q.38
- Of the Persons in Relation to the Essence q.39
- Of the Persons as Compared to the Relations or Properties q.40
- Of the Persons in Reference to the Notional Acts q.41
- Of Equality and Likeness Among the Divine Persons q.42
- The Mission of the Divine Persons q.43
- The Procession of Creatures from God, and of the First Cause of All Things q.44
- The Mode of Emanation of Things from the First Principle q.45
- Of the Beginning of the Duration of Creatures q.46
- Of the Distinction of Things in General q.47
- The Distinction of Things in Particular q.48
- The Cause of Evil q.49
- Of the Substance of the Angels Absolutely Considered q.50
- Of the Angels in Comparison with Bodies q.51
- Of the Angels in Relation to Place q.52
- Of the Local Movement of the Angels q.53
- Of the Knowledge of the Angels q.54
- Of the Medium of the Angelic Knowledge q.55
- Of the Angel’s Knowledge of Immaterial Things q.56
- Of the Angel’s Knowledge of Material Things q.57
- Of the Mode of Angelic Knowledge q.58
- The Will of the Angels q.59
- Of the Love or Dilection of the Angels q.60
- Of the Production of the Angels in the Order of Natural Being q.61
- Of the Perfection of the Angels in the Order of Grace and of Glory q.62
- The Malice of the Angels with Regard to Sin q.63
- The Punishment of the Demons q.64
- The Work of Creation of Corporeal Creatures q.65
- On the Order of Creation Towards Distinction q.66
- On the Work of Distinction in Itself q.67
- On the Work of the Second Day q.68
- On the Work of the Third Day q.69
- Of the Work of Adornment, as Regards the Fourth Day q.70
- On the Work of the Fifth Day q.71
- On the Work of the Sixth Day q.72
- On the Things That Belong to the Seventh Day q.73
- On All the Seven Days in Common q.74
- Of Man Who Is Composed of a Spiritual and a Corporeal Substance: And in the First Place, Concerning What Belongs to the Essence of the Soul q.75
- Of the Union of Body and Soul q.76
- Of Those Things Which Belong to the Powers of the Soul in General q.77
- Of the Specific Powers of the Soul q.78
- Of the Intellectual Powers q.79
- Of the Appetitive Powers in General q.80
- Of the Power of Sensuality q.81
- Of the Will q.82
- Of Free-Will q.83
- How the Soul While United to the Body Understands Corporeal Things Beneath It q.84
- Of the Mode and Order of Understanding q.85
- What Our Intellect Knows in Material Things q.86
- How the Intellectual Soul Knows Itself and All Within Itself q.87
- How the Human Soul Knows What Is Above Itself q.88
- Of the Knowledge of the Separated Soul q.89
- Of the First Production of Man’s Soul q.90
- The Production of the First Man’s Body q.91
- The Production of the Woman q.92
- The End or Term of the Production of Man q.93
- Of the State and Condition of the First Man as Regards His Intellect q.94
- Of Things Pertaining to the First Man’s Will---Namely, Grace and Righteousness q.95
- Of the Mastership Belonging to Man in the State of Innocence q.96
- Of the Preservation of the Individual in the Primitive State q.97
- Of the Preservation of the Species q.98
- Of the Condition of the Offspring as to the Body q.99
- Of the Condition of the Offspring as Regards Righteousness q.100
- Of the Condition of the Offspring as Regards Knowledge q.101
- Of Man’s Abode, Which Is Paradise q.102
- Of the Government of Things in General q.103
- The Special Effects of the Divine Government q.104
- Of the Change of Creatures by God q.105
- How One Creature Moves Another q.106
- The Speech of the Angels q.107
- Of the Angelic Degrees of Hierarchies and Orders q.108
- The Ordering of the Bad Angels q.109
- How Angels Act on Bodies q.110
- The Action of the Angels on Man q.111
- The Mission of the Angels q.112
- Of the Guardianship of the Good Angels q.113
- Of the Assaults of the Demons q.114
- Of the Action of the Corporeal Creature q.115
- On Fate q.116
- Of Things Pertaining to the Action of Man q.117
- Of the Production of Man from Man as to the Soul q.118
- Of the Propagation of Man as to the Body q.119
- Pars I-II Prima Secundae q.1–114
- Of Man’s Last End q.1
- Of Those Things in Which Man’s Happiness Consists q.2
- What Is Happiness q.3
- Of Those Things That Are Required for Happiness q.4
- Of the Attainment of Happiness q.5
- Of the Voluntary and the Involuntary q.6
- Of the Circumstances of Human Acts q.7
- Of the Will, in Regard to What It Wills q.8
- Of That Which Moves the Will q.9
- Of the Manner in Which the Will Is Moved q.10
- Of Enjoyment [*Or, Fruition], Which Is an Act of the Will q.11
- Of Intention q.12
- Of Choice, Which Is an Act of the Will with Regard to the Means q.13
- Of Counsel, Which Precedes Choice q.14
- Of Consent, Which Is an Act of the Will in Regard to the Means q.15
- Of Use, Which Is an Act of the Will in Regard to the Means q.16
- Of the Acts Commanded by the Will q.17
- Of the Good and Evil of Human Acts, in General q.18
- Of the Goodness and Malice of the Interior Act of the Will q.19
- Of Goodness and Malice in External Human Affairs q.20
- Of the Consequences of Human Actions by Reason of Their Goodness and Malice q.21
- Of the Subject of the Soul’s Passions q.22
- How the Passions Differ from One Another q.23
- Of Good and Evil in the Passions of the Soul q.24
- Of the Order of the Passions to One Another q.25
- Of the Passions of the Soul in Particular: And First, of Love q.26
- Of the Cause of Love q.27
- Of the Effects of Love q.28
- Of Hatred q.29
- Of Concupiscence q.30
- Of Delight Considered in Itself q.31
- Of the Cause of Pleasure q.32
- Of the Effects of Pleasure q.33
- Of the Goodness and Malice of Pleasures q.34
- Of Pain or Sorrow, in Itself q.35
- Of the Causes of Sorrow or Pain q.36
- Of the Effects of Pain or Sorrow q.37
- Of the Remedies of Sorrow or Pain q.38
- Of the Goodness and Malice of Sorrow or Pain q.39
- Of the Irascible Passions, and First, of Hope and Despair q.40
- Of Fear, in Itself q.41
- Of the Object of Fear q.42
- Of the Cause of Fear q.43
- Of the Effects of Fear q.44
- Of Daring q.45
- Of Anger, in Itself q.46
- Of the Cause That Provokes Anger, and of the Remedies of Anger q.47
- Of the Effects of Anger q.48
- Of Habits in General, as to Their Substance q.49
- Of the Subject of Habits q.50
- Of the Cause of Habits, as to Their Formation q.51
- Of the Increase of Habits q.52
- How Habits Are Corrupted or Diminished q.53
- Of the Distinction of Habits q.54
- Of the Virtues, as to Their Essence q.55
- Of the Subject of Virtue q.56
- Of the Intellectual Virtues q.57
- Of the Difference Between Moral and Intellectual Virtues q.58
- Of Moral Virtue in Relation to the Passions q.59
- How the Moral Virtues Differ from One Another q.60
- Of the Cardinal Virtues q.61
- Of the Theological Virtues q.62
- Of the Cause of Virtues q.63
- Of the Mean of Virtue q.64
- Of the Connection of Virtues q.65
- Of Equality Among the Virtues q.66
- Of the Duration of Virtues After This Life q.67
- Of the Gifts q.68
- Of the Beatitudes q.69
- Of the Fruits of the Holy Ghost q.70
- Evil Habits, i.e. Vices and Sins (qq[71]-89) q.71
- Of the Distinction of Sins q.72
- Of the Comparison of One Sin with Another q.73
- Of the Subject of Sin q.74
- Of the Causes of Sin, in General q.75
- Of the Causes of Sin, in Particular q.76
- Of the Cause of Sin, on the Part of the Sensitive Appetite q.77
- Of That Cause of Sin Which Is Malice q.78
- Of the External Causes of Sin q.79
- Of the Cause of Sin, as Regards the Devil q.80
- Of the Cause of Sin, on the Part of Man q.81
- Of Original Sin, as to Its Essence q.82
- Of the Subject of Original Sin q.83
- Of the Cause of Sin, in Respect of One Sin Being the Cause of Another q.84
- Of the Effects of Sin, and, First, of the Corruption of the Good of Nature q.85
- Of the Stain of Sin q.86
- Of the Debt of Punishment q.87
- Of Venial and Mortal Sin q.88
- Of Venial Sin in Itself q.89
- Of the Essence of Law q.90
- Of the Various Kinds of Law q.91
- Of the Effects of Law q.92
- Of the Eternal Law q.93
- Of the Natural Law q.94
- Of Human Law q.95
- Of the Power of Human Law q.96
- Of Change in Laws q.97
- Of the Old Law q.98
- Of the Precepts of the Old Law q.99
- Of the Moral Precepts of the Old Law q.100
- Of the Ceremonial Precepts in Themselves q.101
- Of the Causes of the Ceremonial Precepts q.102
- Of the Duration of the Ceremonial Precepts q.103
- Of the Judicial Precepts q.104
- Of the Reason for the Judicial Precepts q.105
- Of the Law of the Gospel, Called the New Law, Considered in Itself q.106
- Of the New Law as Compared with the Old q.107
- Of Those Things That Are Contained in the New Law q.108
- Of the Necessity of Grace q.109
- Of the Grace of God as Regards Its Essence q.110
- Of the Division of Grace q.111
- Of the Cause of Grace q.112
- Of the Effects of Grace q.113
- Of Merit q.114
- Pars II-II Secunda Secundae q.1–189
- Of Faith q.1
- Of the Act of Faith q.2
- Of the Outward Act of Faith q.3
- Of the Virtue Itself of Faith q.4
- Of Those Who Have Faith q.5
- Of the Cause of Faith q.6
- Of the Effects of Faith q.7
- Of the Gift of Understanding q.8
- Of the Gift of Knowledge q.9
- Of Unbelief in General q.10
- Of Heresy q.11
- Of Apostasy q.12
- Of the Sin of Blasphemy, in General q.13
- Of Blasphemy Against the Holy Ghost q.14
- Of the Vices Opposed to Knowledge and Understanding q.15
- Of the Precepts of Faith, Knowledge and Understanding q.16
- Of Hope, Considered in Itself q.17
- Of the Subject of Hope q.18
- Of the Gift of Fear q.19
- Of Despair q.20
- Of Presumption q.21
- Of the Precepts Relating to Hope and Fear q.22
- Of Charity, Considered in Itself q.23
- Of the Subject of Charity q.24
- Of the Object of Charity q.25
- Of the Order of Charity q.26
- Of the Principle Act of Charity, Which Is to Love q.27
- Of Joy q.28
- Of Peace q.29
- Of Mercy q.30
- Of Beneficence q.31
- Of Almsdeeds q.32
- Of Fraternal Correction q.33
- Of Hatred q.34
- Of Sloth q.35
- Of Envy q.36
- Of Discord, Which Is Contrary to Peace q.37
- Of Contention q.38
- Of Schism q.39
- Of War q.40
- Of Strife q.41
- Of Sedition q.42
- Of Scandal q.43
- Of the Precepts of Charity q.44
- Of the Gift of Wisdom q.45
- Of Folly Which Is Opposed to Wisdom q.46
- Of Prudence, Considered in Itself q.47
- Of the Parts of Prudence q.48
- Of Each Quasi-Integral Part of Prudence q.49
- Of the Subjective Parts of Prudence q.50
- Of the Virtues Which Are Connected with Prudence q.51
- Of the Gift of Counsel q.52
- Of Imprudence q.53
- Of Negligence q.54
- Of Vices Opposed to Prudence by Way of Resemblance q.55
- Of the Precepts Relating to Prudence q.56
- Of Right q.57
- Of Justice q.58
- Of Injustice q.59
- Of Judgment q.60
- Of the Parts of Justice q.61
- Of Restitution q.62
- Vices Opposed to Distributive Justice (q[63]) q.63
- Of Murder q.64
- Of Other Injuries Committed on the Person q.65
- Of Theft and Robbery q.66
- Of the Injustice of a Judge, in Judging q.67
- Of Matters Concerning Unjust Accusation q.68
- Of Sins Committed Against Justice on the Part of the Defendant q.69
- Of Injustice with Regard to the Person of the Witness q.70
- Of Injustice in Judgment on the Part of Counsel q.71
- Of Reviling q.72
- Of Backbiting q.73
- Of Tale-Bearing q.74
- Of Derision q.75
- Of Cursing q.76
- (d) by Sins Committed in Buying and Selling (q[77]) q.77
- (e) by Sins Committed in Loans (q[78]) q.78
- Of the Quasi-Integral Parts of Justice q.79
- Of the Potential Parts of Justice q.80
- Of Religion q.81
- Of Devotion q.82
- Of Prayer q.83
- Of Adoration q.84
- Of Sacrifice q.85
- Of Oblations and First-Fruits q.86
- Of Tithes q.87
- Service by Promise (q[88]) q.88
- Of Oaths q.89
- Of the Taking of God’s Name by Way of Adjuration q.90
- Of Taking the Divine Name for the Purpose of Invoking It by Means of Praise q.91
- Of Superstition q.92
- Of Superstition Consisting in Undue Worship of the True God q.93
- Of Idolatry q.94
- Of Superstition in Divinations q.95
- Of Superstition in Observances q.96
- Of the Temptation of God q.97
- Of Perjury q.98
- Of Sacrilege q.99
- On Simony q.100
- Of Piety q.101
- Of Observance, Considered in Itself, and of Its Parts q.102
- Of Dulia q.103
- Of Obedience q.104
- Of Disobedience q.105
- Of Thankfulness or Gratitude q.106
- Of Ingratitude q.107
- Of Vengeance q.108
- Of Truth q.109
- Of the Vices Opposed to Truth, and First of Lying q.110
- Of Dissimulation and Hypocrisy q.111
- Of Boasting q.112
- Irony* q.113
- Of the Friendliness Which Is Called Affability q.114
- Of Flattery q.115
- Of Quarreling q.116
- Of Liberality q.117
- Of the Vices Opposed to Liberality, and in the First Place, of Covetousness q.118
- Of Prodigality q.119
- Of "epikeia" or Equity q.120
- Of Piety q.121
- Of the Precepts of Justice q.122
- Of Fortitude q.123
- Of Martyrdom q.124
- Of Fear* q.125
- Of Fearlessness q.126
- Of Daring q.127
- Of the Parts of Fortitude q.128
- Of Magnanimity* q.129
- Of Presumption q.130
- Of Ambition q.131
- Of Vainglory q.132
- Of Pusillanimity q.133
- Of Magnificence q.134
- Of Meanness* q.135
- Of Patience q.136
- Of Perseverance q.137
- Of the Vices Opposed to Perseverance q.138
- Of the Gift of Fortitude q.139
- Of the Precepts of Fortitude q.140
- Of Temperance q.141
- Of the Vices Opposed to Temperance q.142
- Of the Parts of Temperance, in General q.143
- Of Shamefacedness q.144
- Of Honesty* q.145
- Of Abstinence q.146
- Of Fasting q.147
- Of Gluttony q.148
- Of Sobriety q.149
- Of Drunkenness q.150
- Of Chastity q.151
- Of Virginity q.152
- Of Lust q.153
- Of the Parts of Lust q.154
- Of Continence q.155
- Of Incontinence q.156
- Of Clemency and Meekness q.157
- Of Anger q.158
- Of Cruelty q.159
- Of Modesty q.160
- Of Humility q.161
- Of Pride q.162
- Of the First Man’s Sin q.163
- Of the Punishments of the First Man’s Sin q.164
- Of Our First Parents’ Temptation q.165
- Of Studiousness q.166
- Of Curiosity q.167
- Of Modesty as Consisting in the Outward Movements of the Body q.168
- Of Modesty in the Outward Apparel q.169
- Of the Precepts of Temperance q.170
- Of Prophecy q.171
- Of the Cause of Prophecy q.172
- Of the Manner in Which Prophetic Knowledge Is Conveyed q.173
- Of the Division of Prophecy q.174
- Of Rapture q.175
- Of the Grace of Tongues q.176
- Of the Gratuitous Grace Consisting in Words q.177
- Of the Grace of Miracles q.178
- Of the Division of Life into Active and Contemplative q.179
- Of the Contemplative Life q.180
- Of the Active Life q.181
- Of the Active Life in Comparison with the Contemplative Life q.182
- Of Man’s Various Duties and States in General q.183
- Of the State of Perfection in General q.184
- Of Things Pertaining to the Episcopal State q.185
- Of Those Things in Which the Religious State Properly Consists q.186
- Of Those Things That Are Competent to Religious q.187
- Of the Different Kinds of Religious Life q.188
- Of the Entrance into Religious Life q.189
- Pars III Tertia Pars q.1–90
- Of the Fitness of the Incarnation q.1
- Of the Mode of Union of the Word Incarnate q.2
- Of the Mode of Union on the Part of the Person Assuming q.3
- Of the Mode of Union on the Part of the Human Nature q.4
- Of the Parts of Human Nature Which Were Assumed q.5
- Of the Order of Assumption q.6
- Of the Grace of Christ as an Individual Man q.7
- Of the Grace of Christ, as He Is the Head of the Church q.8
- Of Christ’s Knowledge in General q.9
- Of the Beatific Knowledge of Christ’s Soul q.10
- Of the Knowledge Imprinted or Infused in the Soul of Christ q.11
- Of the Acquired or Empiric Knowledge of Christ’s Soul q.12
- Of the Power of Christ’s Soul q.13
- Of the Defects of Body Assumed by the Son of God q.14
- Of the Defects of Soul Assumed by Christ q.15
- Of Those Things Which Are Applicable to Christ in His Being and Becoming q.16
- Of Christ’s Unity of Being q.17
- Of Christ’s Unity of Will q.18
- Of the Unity of Christ’s Operation q.19
- Of Christ’s Subjection to the Father q.20
- Of Christ’s Prayer q.21
- Of the Priesthood of Christ q.22
- Of Adoption as Befitting to Christ q.23
- Of the Predestination of Christ q.24
- Of the Adoration of Christ q.25
- Of Christ as Called the Mediator of God and Man q.26
- Of the Sanctification of the Blessed Virgin q.27
- Of the Virginity of the Mother of God q.28
- Of the Espousals of the Mother of God q.29
- Of the Annunciation of the Blessed Virgin q.30
- Of the Matter from Which the Saviour’s Body Was Conceived q.31
- Of the Active Principle in Christ’s Conception q.32
- Of the Mode and Order of Christ’s Conception q.33
- Of the Perfection of the Child Conceived q.34
- Of Christ’s Nativity q.35
- Of the Manifestation of the Newly Born Christ q.36
- Of Christ’s Circumcision, and of the Other Legal Observances Accomplished in Regard to the Child Christ q.37
- Of the Baptism of John q.38
- Of the Baptizing of Christ q.39
- Of Christ’s Manner of Life q.40
- Of Christ’s Temptation q.41
- Of Christ’s Doctrine q.42
- Of the Miracles Worked by Christ, in General q.43
- Of (christ’s) Miracles Considered Specifically q.44
- Of Christ’s Transfiguration q.45
- The Passion of Christ q.46
- Of the Efficient Cause of Christ’s Passion q.47
- Of the Efficiency of Christ’s Passion q.48
- Of the Effects of Christ’s Passion q.49
- Of the Death of Christ q.50
- Of Christ’s Burial q.51
- Of Christ’s Descent into Hell q.52
- Of Christ’s Resurrection q.53
- Of the Quality of Christ Rising Again q.54
- Of the Manifestation of the Resurrection q.55
- Of the Causality of Christ’s Resurrection q.56
- Of the Ascension of Christ q.57
- Of Christ’s Sitting at the Right Hand of the Father q.58
- Of Christ’s Judiciary Power q.59
- What Is a Sacrament? q.60
- Of the Necessity of the Sacraments q.61
- Of the Sacraments’ Principal Effect, Which Is Grace q.62
- Of the Other Effect of the Sacraments, Which Is a Character q.63
- Of the Causes of the Sacraments q.64
- Of the Number of the Sacraments q.65
- Of the Sacrament of Baptism q.66
- Of the Ministers by Whom the Sacrament of Baptism Is Conferred q.67
- Of Those Who Receive Baptism q.68
- Of the Effects of Baptism q.69
- Of Circumcision q.70
- Of the Preparations That Accompany Baptism q.71
- Confirmation (q[72]) q.72
- Of the Sacrament of the Eucharist q.73
- Of the Matter of This Sacrament q.74
- Of the Change of Bread and Wine into the Body and Blood of Christ q.75
- Of the Way in Which Christ Is in This Sacrament q.76
- Of the Accidents Which Remain in This Sacrament q.77
- Of the Form of This Sacrament q.78
- Of the Effects of This Sacrament q.79
- Of the Use or Receiving of This Sacrament in General q.80
- Of the Use Which Christ Made of This Sacrament at Its Institution q.81
- Of the Minister of This Sacrament q.82
- Of the Rite of This Sacrament q.83
- Of the Sacrament of Penance q.84
- Of Penance as a Virtue q.85
- Of the Effect of Penance, as Regards the Pardon of Mortal Sin q.86
- Of the Remission of Venial Sin q.87
- Of the Return of Sins Which Have Been Taken Away by Penance q.88
- Of the Recovery of Virtue by Means of Penance q.89
- Of the Parts of Penance, in General q.90