And they follow what devilish beings used to chant against the authority of Solomon , though Solomon never disbelieved and only the devils denied , who taught sorcery to men , which , they said , had been revealed to the angels of Babylon , Harut and Marut , who , however , never taught it without saying : " We have been sent to deceive you , so do not renounce ( your faith ) . " They learnt what led to discord between husband and wife .