"They can learn," he replied, voice still gentle. "They just need to be taught."

Whomever this spirit was, she'd been hurt by humans. She didn't see any good in them. Much like Raava hadn't. And he knew that was a hard image to break.

"Teaching takes time and now that the spirit portals are open and Vaatu's influence is not a danger to the world, they have the best opportunity to learn it than they've had in ten thousand years. Please, I know these two aren't good examples... I know a lot of humans aren't good examples, but humans can be just as amazing as spirits if they're shown how to respect and care for nature as the spirits do. Keeping them afraid will only lead to anger and hate and the problem will never be fixed."