[And Aang frowns in turn as he considers all of what she says.]

That's why we need to find a compromise. Then it won't be like we're just giving them to him. If we can find a way that people can still read books freely while Wan Shi Tong gets to protect knowledge in some way, maybe that'll work. I know that Wan Shi Tong can be one of the meaniest spirits we've met... [And one of the scariest.] but he's still a spirit. I have to make sure that whatever solution helps him to be at peace. [He looks away uneasily.] Especially since... since we know how dangerous he could be.

[He doesn't want to risk conflict her in the enclosure, especially when it's over something like books.]