THE MISTRESS OF THE SILVER MOON.
knew nothing of who was in the tower. So the front door was left open for him, and in he walked.
But where to go next he could not tell. It was not quite dark : a dull, shineless twilight filled the place. All he knew was that he must go up, and that proved enough for the present, for there he saw the great staircase rising before him. When he reached the top of it, he knew there must be more stairs yet, for he could not be near the top of the tower. Indeed by the situation of the stair, he must be a good way from the tower itself.* But those who work well in the depths more easily understand the heights, for indeed in their true nature they are one and the same: mines are in mountains; and Curdie from knowing the ways of the king's mines, and being able to calculate his whereabouts in them, was now able to find his way about the king's house. He knew its outside perfectly, and now his business was to get his notion of the inside right with the outside. So he shut his eyes and made a picture of the outside of it in his mind. Then he came in at the door of the picture, and yet kept the picture before him all the time —for you can do that kind of thing in your mind,—and took every turn of the stair over again, always watching to remember, every time he turned his face, how the tower lay, and then when he came to himself at the top where he stood, he knew exactly where it was, and walked