When the Ephesians believed on Christ, they examined the moral nature of each aspect of their lives. This led them to burn their curious arts books.
Witchcraft is a work of the flesh, and God views it like He views adultery and murder. As such, it should have no place in the life of a believer.
Very few understand that the tongue is one of the most dangerous weapons possessed by man. It is commonly used to wound, deceive, and corrupt others.