Keep in mind, Eragon, that no one thinks himself a villain, and few make decisions they think are wrong. A person may dislike his choice, but he will stand by it because, even in the worst circumstances, he believes that it was the best option available to him at the time.
Christopher PaoliniLet'sss just kill him," said the shorter Ra'zac. "He has caused us much grief." The taller one ran his finger down his sword. "A good plan. But remember, the king's instructions were to keep them alive." -from Eragon, Chapter Title: The Ra'zac's Revenge.
Christopher PaoliniI'm not the person I once was. I have Thorn now, and... I'm not fighting for myself anymore....It makes a difference....I used to think you were a fool to keep risking your life as you have...I know better now. I understand...why. I understand...' His [Murtagh] eyes widened and his grimace relaxed, as if his pain was forgotten, and an inner light seemed to illuminate his features. 'I understand-we understand.
Christopher Paolini