[She shakes her head, resigned - not in anger or frustration with Mari's perspective, but rather at the hopelessness of her world's situation.]

My people didn't learn over the course of two-thousand years. They only became peaceful after they had their memories taken from them. Now that I failed to safeguard that knowledge, there are only two outcomes... either the Walls will fall, and nothing will remain, or my people will survive and bring suffering over the world again.

...

I want them to live, but it's too selfish. That's why my ancestor passed his will on to his successors. That's why I didn't stop the titans when they came for us.