Musnad Ahmad 30:1148

Abu Abd al-Rahman al-Muqri narrated to us, Sa'id narrated to us, Abu Hani Humayd ibn Hani al-Khawlani narrated to me, from Abu Uthman Muslim ibn Yasar, from Abu Hurayrah, from the Prophet, peace and blessings of Allah be upon him, that he said: "There will be in the end of time people from my nation who will narrate to you what neither you nor your forefathers have heard. So beware of them."