FIRST PART OF THE SECOND PART
PrologueTreatise on Vices and Sin
Question 71: Of Vice and Sin Considered in ThemselvesQuestion 72: Of the Distinction of SinsQuestion 73: Of the Comparison of One Sin with AnotherQuestion 74: Of the Subject of SinQuestion 75: Of the Causes of Sin, if GeneralQuestion 76: Of the Causes of Sin, in ParticularQuestion 77: Of the Cause of Sin, on the Part of the Sensitive AppetiteQuestion 78: Of That Cause of Sin Which Is MaliceQuestion 79: Of the External Causes of SinQuestion 80: Of the Cause Of Sin, As Regards the DevilQuestion 81: Of the Cause of Sin, on the Part of ManQuestion 82: Of Original Sin, As to Its EssenceQuestion 83: Of the Subject of Original SinQuestion 84: Of the Cause of Sin, in Respect of One Sin Being the Cause Of AnotherQuestion 85: Of the Effects of Sin, and, First, of the Corruption of the Good of NatureQuestion 86: Of the Stain of SinQuestion 87: Of the Debt of PunishmentQuestion 88: Of Venial and Mortal SinQuestion 89: Of Venial Sin in Itself 