wolf in sheep clothing

wolf sheep clothing sheep#39aph39#s idiom jesus#39aph39#s sermon mount narrated gospel matthew warns individuals play duplicitous role false teachers dangerous fables based dated earlier 12th century falsely credited ancient greek storyteller aesop 620–564 bce confusion arises similarity themes aesop#39aph39#s fables concerning wolves mistakenly trusted moral human nature eventually shows disguise modern era zoologists applied types predatory behaviour