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 urg… - Susan Cooper

Each wave of men in turn grew peaceful as it grew to know and love the land, so that the Light flourished again. But always the Dark was there, swelling and waning, gaining a new Lord of the Dark whenever a man deliberately chose to be changed into something more dread and powerful than his fellows. Such creatures were not born to their doom, like the Old Ones, but chose it.

The mindless ferocity of this man, and all those like him, their real loathing born of nothing more solid than insecurity and fear...It was a channel. Will knew that he had been gazing into the channel down which the powers of the Dark, if they gained their freedom, could ride in an instant to complete control of the earth.

You have heard me talk of Logres. It was the old name for this country, thousands of years ago; in the old days when the struggle between good and evil was more bitter and open than it is now. That struggle goes on all round us all the time, like two armies fighting. And sometimes one of them seems to be winning and sometimes the other, but neither has ever triumphed altogether. Nor ever will," he added softly to himself, "for there is something of each in every man.