Acts 19:13

19:13 But some itinerant Jewish exorcists tried to invoke the name of the Lord Jesus over those who were possessed by evil spirits, saying, “I sternly warn you by Jesus whom Paul preaches.”

Acts 19:19

19:19 Large numbers of those who had practiced magic collected their books and burned them up in the presence of everyone. When the value of the books was added up, it was found to total fifty thousand silver coins.