Roku: You think I am weak?
Jeong Jeong: Avatar Roku! No, no, I did not mean that.
Roku: I have mastered the elements a thousand times in a thousand lifetimes. Now, I must do it once again.
Avatar: The Last Airbender (2005)
1 quote from The Deserter
Starring: Dee Bradley Baker, Mae Whitman, Jack De Sena, Zach Tyler
The Southern Air Temple - S1-E3
Other mistake: When the gang is in the Hall of Statues of Past Avatars, Katara points out the avatar cycle pattern of statues and Aang zeroes in on Roku's statue. The earthbender avatar statue next to Roku is of an unknown man with a sword, not Kiyoshi. (00:12:50 - 00:13:35)
More trivia for Avatar: The Last AirbenderMore questions & answers from Avatar: The Last Airbender
Chosen answer: Toph had Katara use it to send a letter to her parents. It never returned.