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Kila: Even in self-defense, you don’t think killing is right? That seems… naive.
Null-13: Well, it might sometimes be necessary, but that doesn’t make it… right. The lesser of two evils, you know… it’s still an evil.
Kila: Some people are no good. Everyone is better off if those die.
Null-13: Well, I… maybe. But we can’t know who really won’t contribute anything to the world, ever… what if someone decided you or I were no good? It’s just… better not to kill people…