I remember reading, long ago, an eastern story of a dervise, who had a mystic ointment, with which, when the eyes were touched, all the hidden precious things of earth were given to view.
1837, L[etitia] E[lizabeth] L[andon], “Chapter XVI. Lady Marchmont’s Journal.”, in Ethel Churchill: Or, The Two Brides. […], volume III, London: Henry Colburn, […], page 120