[Hellboy nods slowly, understanding very well where she's coming from. War is a part of human nature; there's always a war going on somewhere on Earth. But even a temporary peace is better than nothing at all. A way to stop the killing and the mistrust.]

On Earth, people are afraid of what they don't understand. [By 'people,' he means 'humans,' of course.] You've probably gotten the brunt of that, too. But it's just ignorance.

[Just like how Pearl climbed the church without knowing. The humans -- or the king, at least -- distrusts the goblins because he doesn't know them.]

Ignorance can always be changed.