No, he is not of the Dark. But he is very useful. A man so wrapped in his own ill-will is a gift to the Dark… — Susan Cooper

At the very heart, that is. Other things, like humanity, and mercy, and charity, that most good men hold more precious than all else, they do not come first for the Light. Oh, sometimes they are there; often, indeed. But in the very long run the concern of you people is with the absolute good, ahead of all else. You are like fanatics. Your masters, at any rate. Like the old Crusaders—oh, like certain groups in every belief, though this is not a matter of religion, of course. At the centre of the Light there is a cold white flame, just as at the centre of the Dark there is a great black pit bottomless as the Universe.

He made the quick apologetic grimace that seemed to be as near as he ever came to a smile.

He was not for that moment a human being, but a frenzied creature possessed by rage, turned into an animal. All that could be seen in him was the urge to hurt, and it was, as it will always be, the most dreadful sight in the world.