Whilst he was standing thus undecided, a voice sounded out of the rock, which cried to him, “Enter without fear, no evil shall befall you thee.” He hesitated, but driven by a mysterious force, he obeyed the voice and went through the iron-door into a large spacious hall, whose ceiling, walls and floor were made of shining polished square stones, on each of which were cut letters which were unknown to him. He looked at everything full of admiration, and was on the point of going out again, when he once more heard the voice which said to him, “Step on the stone which lies in the middle of the hall, and great good fortune awaits thee.”