"Depending on how you define those terms, peace and evil are fully capable of coexisting."

Aw, hell with it. He'll just outright tell her: "Look. The Earth I'm from has been ruled by your Condesce -- or maybe another universal version of her, who knows, it's not important -- for the past four centuries. Peaceful methods of trying to alert the populace to the threat she posed failed. But hey, so did outright violence. The human population eventually shrunk from around seven billion, to two." A pause. "Not two billion; two. Your optimism is a breath of fresh air, and I would honestly love to hear that Alternia is an utopia of sunshine and equality nowadays, but you can see why I'm a bit skeptical."