Matthew 7:15 comes to mind. > Beware of false prophets, who come to you in the clothing of sheep, but inwardly they are ravening wolves. https://biblehub.com/

Matthew 7:15 comes to mind. > Beware of false prophets, who come to you in the clothing of sheep, but inwardly they are ravening wolves. https://biblehub.com/matthew/7-15.htm https://biblehub.com/matthew/7-15.htm I guess this verse doesn't get much love in sermons, though. It might lead the flock to suspect their shepherds.