Good vs. Evil Quotes in Eragon

How we cite our quotes: (Chapter.Paragraph)

Quote #10

Think of what you have done and rejoice, for you have rid the land of a great evil. (59.13)

Eragon's triumph is really the triumph of good over evil, just as the Cripple Who is Whole points out here. Isn't that what makes this tale so epic? The battles are not just between monsters and humans, but between elemental forces of the universe.