Sa'id bin Abi al-Hasan narrates that none of the Companions (may Allah be pleased with them) narrated more hadith than Sayyiduna Abu Hurayrah (may Allah be pleased with him). Marwan appointed him governor over Madinah and wanted (to put) his hadith (into writing), so Marwan said: "Narrate to us just as you narrated before." When he refused (to dictate them), Marwan caught him unawares and (secretly) seated a scribe for him. So Sayyiduna Abu Hurayrah (may Allah be pleased with him) kept narrating and the scribe kept writing, until all of his hadith were complete. Then Marwan said: "Do you know that we have written down all of your hadith?" He asked: "Have you really done that? If you listen to me, erase it." The narrator said: So Marwan erased it.