But this fear, this servility, this dependence, had developed in Smiley a perception for the colour of human beings: a swift, feminine sensitivity to their characters and motives. He knew mankind as a huntsman knows his cover, as a fox the wood. For a spy must hunt while he is hunted, and the crowd is his estate. He could collect their gestures and their words, record the interplay of glance and movement, as a huntsman can record the twisted bracken and the broken twig, or as a fox detects the signs of danger.
