‘Something about it made it seem as if it might be a fossil fish or some rudimentary organism fixed for ever in a frozen sea. I could not analyse this analogy, otherwise unconnected with a mere drawing scratched upon the stone, till I realized that I was saying in my sub-conscious mind that the first Christians must have seemed something like fish, dumb and dwelling in a fallen world of twilight and silence, dropped far below the feet of men and moving in dark and twilight and a soundless world. ‘Everyone walking along stone passages knows what it is to be followed by phantom feet. The echo follows flapping or clapping behind or in front, so that it is almost impossible for the man who is really lonely to believe in his loneliness. I had got used to the effects of this echo and had not no