Despereaux : What kind of a quest? Roscuro : Uh, to right a terrible wrong. Despereaux : But who did you wrong? Roscuro : Okay. [turns to Despereaux] Do you remember, uh, when they banished the rats? Despereaux : Sure, yes. Roscuro : Okay. Well, it wasn't all the rats they banished. I mean, they did, but it was all because of one particular rat...in particular. Despereaux : [softly] Oh... Roscuro : Mm-hmm. [referring to Princess Pea] If I could just tell her I'm sorry, that I'm, you know, I'm really sorry, that I didn't mean for any of this to happen. If she could just hear me say it, you know, just-just hear my voice, she-she would...she'd know how much I meant it. Despereaux : That is a very noble quest.

http://www.moviequotedb.com/movies/desperaux-the-tale-of/quote_140446.html