178 THE SHADOWS.
and the faces of Shadows, too, with living eyes.
But he soon found that amongst the Shadows a man must learn never to be surprised at anything; for if he does not, he will soon grow quite stupid, in consequence of the endless recurrence of surprises.
At last they climbed up the bed of a little stream, and then, passing through a narrow rocky defile, came out suddenly upon the side of a mountain, overlooking a blue frozen lake in the very heart of mighty hills. Overhead, the aurora borealis was shivering and flashing like a battle of ten thousand spears. Underneath, its beams passed faintly over the blue ice and the sides of the snow-clad mountains, whose tops shot up like huge icicles all about, with here and there a star sparkling on the very tip of one. But as the northern lights in the sky above, so wavered and