`` in canto twenty-seven of dante 's inferno , guido da montefeltro tells the story of what happened after he died , 'francis came afterward , when i was dead , for me ; but one of the black cherubim said to him : `` take him not ; do me no wrong ; he must come down among my servitors , because he gave the fraudulent advice from which time forth i have been at his hair ; for who repents not can not be absolved , nor can one both repent and will at once , because of the contradiction which consents not . ''