There was once a very learned man in the north-country who knew all the languages under the sun, and who was acquainted with all the mysteries of creation. He had one big book bound in black calf and clasped with iron, and with iron corners, and chained to a table which was made fast to the floor; and when he read out of this book, he unlocked it with an iron key, and none but he read from it, for it contained all the secrets of the spiritual world. It told how many angels there were in heaven, and how they marched in their ranks, and sang in their quires, and what were their several functions, and what was the name of each great angel of might. And it told of the demons, how many of them there were, and what were their several powers, and their labours, and their names, and how they might be summoned, and how tasks might be imposed on them, and how they might be chained to be as slaves to man. Now the master had a pupil who was but a foolish lad, and he acted as servant to the great master, but never was he suffered to look into the black book, hardly to enter the private room.
One day the master was out, and then the lad, as curious as could be, hurried to the chamber where his master kept his wondrous apparatus for changing copper into gold, and lead into silver, and where was his mirror in which he could see all that was passing in the world, and where was the shell which when held to the ear whispered all the words that were being spoken by anyone the master desired to know about. The lad tried in vain with the crucibles to turn copper and lead into gold and silver—he looked long and vainly into the mirror; smoke and clouds passed over it, but he saw nothing plain, and the shell to his ear produced only indistinct murmurings, like the breaking of distant seas on an unknown shore. “I can do nothing,” he said; “as I don't know the right words to utter, and they are locked up in yon book.”
He looked round, and, see! the book was unfastened; the master had forgotten to lock it before he went out. The boy rushed to it, and unclosed the volume. It was ............