“Why?' - Nasuada'You know why' - Murtagh”

“As he was about to leave, she said, "Murtagh."He paused and turned to regard her.She hesitated for a moment, then mustered her courage and said, "Why?" She thought he understood her meaning: Why her? Why save her, and now why try to rescue her? She had guessed at the answer, but she wanted to hear him say it.He stared at her for the longest while, and then, in a low, hard voice, he said, "You know why.”

“I'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.”

“From now on you're going to have to think. There's a reason why we're born with brains in our heads, not rocks.”

“Why does everything have to be so hard? [Eragon] wondered. Because, said Saphira, everyone wants to eat, but no one wants to be eaten.”

“Now I remember why I hate eating sheep. Horrible, fluffy things that give me hair balls and indigestion. ( Saphira from the Eragon Series)”

“Eragon looked back at him, confused. "I don't understand.""Of course you don't," said Brom impatiently. "That's why I'm teaching you and not the other way around.”