1. How does St. Thomas Aquinas define a vice? *

2. What is the crucial difference between a mortal sin and a venial sin? *

3. According to the chapter, what is the formal aspect of original sin? *

4. The seven "capital sins" (pride, envy, wrath, etc.) are called "capital" because: *

5. What is St. Augustine's famous definition of sin, adopted by Aquinas? *