I. The end of human life

    Treatise on beatitude (1-5)

      1. the ultimate end of man in general (1)

      2. human beatitude (2-5)

        a. the object which is such that man's beatitude consists in possessing it (2)
        b. the sort of possession of this object that constitutes beatitude (3)
        c. the requisites for beatitude (4)
        d. the attainment of beatitude (5)

II. Human acts, which are the means by which beatitude is attained or impeded, in themselves (6-48)

    A. Treatise on action, i.e., acts proper to a human being as such (6*-21)

      1. the nature of human acts (6-17)

        a. the voluntary (6-7)

          (1) voluntariness and involuntariness (6)
          (2) the circumstances of voluntary and involuntary acts (7)

        b. the types of voluntary acts (8*-17)

          (1) elicited voluntary acts (8-16)

            (a) with respect to the end (8-12)

              i) willing (voluntas) (8-10)
              ii) enjoyment (fruitio) (11)
              iii) intention (intentio) (12)

            (b) with respect to the means (13-16)

              i) choice (electio) (13)
              ii) deliberation (consilium) (14)
              iii) consent (consensus) (15)
              iv) use (usus) (16)

          (2) commanded voluntary acts (17)

      2. the goodness and badness of human acts (18*-21)

        a. how human acts are good or bad (18-20)

          (1) the goodness and badness of human acts in general (18)
          (2) the goodness and badness of interior acts of the will (19)
          (3) the goodness and badness of exterior human acts (20)

        b. what follows upon human acts by reason of their goodness and badness (21)

    B. Treatise on passions, i.e., acts common to human beings and brute animals (22-48)

      1. the passions in general (22*-25)

        a. the subject of the passions (22)
        b. the differences among the passions (23)
        c. the goodness and badness of the passions (24)
        d. the relation of the passions to one another (25)

      2. the passions in particular (26*-48)

        a. passions of the concupiscible appetite (26-39)

          (1) love (amor) and hatred (odium) (26-29)
          (2) desire (concupiscentia) and aversion (fuga) (30)
          (3) pleasure (delectatio) and pain (dolor) or sorrow (tristitia) (31-39)

        b. passions of the irascible appetite (40*-48)

          (1) hope (spes) and despair (desperatio) (40)
          (2) fear (timor) and daring (audacia) (41-45)
          (3) anger (ira) (46-48)

III. The interior principles of human acts: powers (considered in part 1) and habits of the soul (49-89)

    A. Treatise on virtue (49-70)

      1. habits in general (49*-54)

        a. the nature of habits (49)
        b. the subject of habits (50)
        c. the causes of the generation, intensification and diminution of habits (51-53)
        d. the distinction among the habits (54)

      2. good habits (virtues) (55*-70)

        a. the virtues themselves (55-67)

          (1) the essence of virtue (55)
          (2) the subject of virtue (56)
          (3) the division of the virtues (57*-62)

            (a) intellectual virtues (57)
            (b) moral virtues (58*-62)
            (c) theological virtues (62)

          (4) the cause of the virtues (including infused moral virtues) (63)
          (5) properties of the virtues (64*-67)

            (a) the mean of the virtues (64)
            (b) the connectedness of the virtues (65)
            (c) the equality of the virtues (66)
            (d) the duration of the virtues after this life (67)

        b. things adjoined to the virtues (68-70)

          (1) the gifts of the Holy Spirit (68)
          (2) the beatitudes (69)
          (3) the fruits of the Holy Spirit (70)

    B. Treatise on vice and sin (71*-89)

      1. the vices and sins in themselves (71)
      2. the distinctions among the vices and sins (72)
      3. the comparison of sins to one another (73)
      4. the subject of sins (74)
      5. the causes of sin (75*-83)

        a. the causes of sin in general (75)
        b. the particular causes of sin (76*-83)

          (1) the interior causes of sin (76-78)

            (a) ignorance in the intellect (76)
            (b) infirmity or passion in sentient appetite (77)
            (c) malice in the will (78)

          (2) the exterior causes of sin (79-83)

            (a) God (79)
            (b) the devil (80)
            (c) man: original sin (81*-83)
            (d) sins that are the cause of other sins (84)

      6. the effects of sin (85*-89)

        a. the corruption of a good nature (85)
        b. the stain of sin (macula animae) (86)
        c. guilt (reatus poenae) (87-89)

          (1) guilt itself (87)
          (2) the distinction between venial sin and mortal sin (88-89)

IV. The exterior principles of human acts: devil (considered in Part 1), law, and grace (90-114)

    A. Treatise on law (90*-108)

      1. Law in general (90-92)

        a. the essence of law (90)
        b. the diverse kinds of law (91)
        c. the effects of law (92)

      2. The parts of law (93*-108)

        a. eternal law (93)
        b. natural law (94)
        c. human law (95-97)
        d. divine law (98-108)

          (1) the old law (98-105)

            (a) the old law and its precepts in general (98-99)
            (b) moral precepts of the old law (100)
            (c) ceremonial precepts of the old law (100-103)
            (d) judicial precepts of the old law (104-105)

          (2) the new law (law of the gospel) (106-108)

            (a) the new law in itself (106)
            (b) comparison of the new law to the old law (107)
            (c) the contents of the new law (108)

        e. the law of evil desire (fomes peccati): see original sin above

    B. Treatise on grace (109*-114)

      1. God's grace in itself (109-111)

        a. the necessity for grace (109)
        b. the essence of grace (110)
        c. the kinds of grace (111)

      2. The cause of grace (112)

      3. The effects of grace (113-114)

        a. the effect of operating grace: justification of the impious (113)
        b. the effect of cooperating grace: merit (114)