Catherine de Medicis (queen of France) made a vow that if some concerns which she had undertaken terminated successfully, she would send a pilgrim to Jerusalem, who would walk there, and every three steps he advanced, he should go one back at every third step. It was doubtful whether there could be found a man sufficiently strong to go on foot, and of sufficient patience to go back one step at every third. A citizen of Verberie offered himself, and promised to accomplish the queen’s vow most scrupulously. The queen accepted his offer, and promised him an adequate recompence. He fulfilled his engagement with the greatest exactness, of which the queen was well assured by constant enquiries.
— William Granger, The New Wonderful Museum, and Extraordinary Magazine, 1804