Luke 3:17-20

His winnowing fork is in His hand to thoroughly clear His threshing floor, and to gather the wheat (believers) into His barn (kingdom); but He will burn up the chaff (the unrepentant) with unquenchable fire.” So with many other appeals and various admonitions John preached the good news (gospel) to the people. But when Herod [Antipas] the tetrarch was repeatedly reprimanded [and convicted by John’s disapproval] for having Herodias, his brother’s wife [as his own], and for all the wicked things that Herod had done, [Matt 14:3; Mark 6:17] he also added this to them all: he locked up John in prison.