I found what quote I was thinking of! From Xaolin Showdown
Clay: I think we all learned a little something today.20:10 http://www.youtube.com/watch?v=n5XaM3IS-fs
Kimiko: Never lose faith in a friend?
Omi: The value of simple solutions to complicated problems?
Raimundo: Omi can't use slang?
Clay: Nope. Everybody hates a mime.