[Just when he's sure the other is about to say something sentimental, Knives is pleasantly surprised by the pragmatism of that response. Doing what needs to be done -- it seems inevitable, so why not sow those seeds of doubt now? It makes things simpler later.]

Ineffectual though they were, my motives aren't so different from the raiders who attacked us. I will find the means to purge the impurity that afflicts my brother and I.