Max?' he asked.'Yeah?''...What are you doing?''Shooting people.

Potter is mocked by a faculty member for the idea that there is evil in the world from which even children need to learn to defend themselves by the actual practice of doing so rather than familiarity with theory.

Although terrifying, the evil ghost will probably pose no real danger to you or your family. On the other hand, if you have a demonic infestation, your entire household is in very real danger. A demonic entity will not usually confront you or induce you to flee the home. Because, unlike the evil ghost, the demon does not actually want you to leave. On the contrary, it wants you to stick around so it can destroy your life and sully your soul from the inside.

Oh! what a potent instrument for Satan is a misguided conscience(93)!

Of two duties we must choose the greater, though of two sins we must choose neither (556).

O blessed be the grace that makes advantages of my corruptions, even to contradict and kill themselves (648).