Acts 19:18 in the King James Version
And many that believed came, and confessed, and shewed their deeds.
Context
17 This became known to all, both Jews and Greeks, who lived at Ephesus. Fear fell on them all, and the name of the Lord Jesus was magnified.
18 Many also of those who had believed came, confessing and declaring their deeds.
19 Many of those who practiced magical arts brought their books together and burned them in the sight of all. They counted their price, and found it to be fifty thousand pieces of silver.