"I disagree." That said, he's not disapproving of her attitude either - at least not so far. "If there's no moral high ground in this war, there's a moral high ground in ending it."

Funnily enough, he doesn't at all see himself like some kind of morality knight on that account: he doesn't see himself as an especially good person for feeling that way, nor would he automatically consider other people 'bad' for feeling differently. It's very practical, to him: he wouldn't feel right if he let such large-scale injustice persist and hurt a lot of people, and so he means to end it.

"So we end it by winning, or we end it by stopping. Either way, it's going to end."