[He rests a hand on Aang's shoulder] The best you can do is all that anyone can ask of you. I'm sure there are others in your time that shared the same sentiment, that you've at least brought some good back to the world.

[He frowns slightly, as he looks ahead and out the window of the train. The scenary was just a flurry of colors.] I am sorry to have placed such a difficult tasks onto you. No child should have gone through what you had to endure.

[Even after all this time, he still feels guilty over that. It wasn't just the next Avatar he doomed, it was the entire world that suffered as well afterall, all because he couldn't do one thing.]