These are all from Warbreaker, since I wrote them down when I read them.
"Hello, would you like to destroy some evil today?"
"I'm better than a shirt. I'm a sword."
"Every man is a hero in his own story, princess. Murderers don't believe that they're to blame for what they do. Thieves, they think they deserve the money they take. Dictators, they believe they have the right, for the safety of their people and the good of their nation, to do whatever they wish."
-Denth