Then, as they stood there, struggling back and forth without avail, Eragon said in a low fierce voice, "I...see...you." A bright spark appeared in Arya's eyes, then vanished just as quickly.

Magic is the art of thinking, not strength or language.

It’s like trying to herd a flock of geese,” said Orik. “They’re always trying to go off on their own, they make an obnoxious noise, and they’ll bite your hand first chance they get.

Then, as they stood there, struggling back and forth without avail, Eragon said in a low fierce voice, "I...see...you." A bright spark appeared in Arya's eyes, then vanished just as quickly.

Anger has its place, but it will not serve you here, the way of the warrior is the way of knowing. Of that knowledge requires you to use anger, then you use anger, but you cannot wrest forth knowledge by losing your temper.

It’s better to be sworn to an honest fool than to a lying scholar

A negative outlook is more of a handicap than any physical injury.