The Incredulity of Father Brown
somehow darted back and disappeared again into the underworld of the caves. I only know that I came out on the lonely steps of a great mountain like a marble terrace, varied only with a green vegetation that seemed somehow more tropical than the purity of the rock, like the Oriental invasion that has spread sporadically over the fall of classic Hellas. I looked out on a sea of stainless blue, and the sun shone steadily on utter loneliness and silence; and there was not a blade of grass stirred with a whisper of flight nor the shadow of a shadow of man.
"It had been a terrible conversation; so intimate and so individual and in a sense so casual. This being, bodiless, faceless, nameless and yet calling me by my name, had talked to me in those crypts and cracks where we were buried alive with no more passion or melodrama than if we had been sitting in two armchairs at a club. But he had told me also that he would unquestionably kill me or any other man who came into the possession of the cross with the mark of the fish. He told me frankly he was not fool enough to attack me there in the labyrinth, knowing I had a loaded revolver, and that he ran as much risk as I. But he told me, equally calmly, that he would plan my murder with the certainty of success, with every detail developed and every danger warded off, with the sort of artistic perfection that a Chinese craftsman or an Indian embroiderer gives to the artistic work of a
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