Toph Beifong: [about to fight Aang] Do people really want to see *two* little girls fighting out here? [the crowd Oohs] Aang: I don't really want to fight you, I want to talk to you. Sokka: Boo! No talking! Katara: Don't boo at him!
This quote occurs at 00:08:33-00:08:48 in the video.