When I came across these words in Matthew in 23 twice in one day, I felt God was trying to speak to me. But then I fell to thinking about the many phrases from the Bible which we use in every day speech.’Don’t cast your pearls before swine,’ ‘Let the dead bury the dead,’ The first shall be last,’ Physician heal yourself,’ ‘Vengeance is mine’ (misquoted.)
I had a non-Christian relative who was amazed (and horrified) when I told him that when he ‘crossed his fingers’ he was referring to the cross and ‘touching wood’ was again thinking of the cross.
Of course, the Bible also has serious words to say to us as Christians!