Sahih muslim:5 Chapter: The Prohibition of Narrating Everything One Hears Introduction, Narration 6

Ubayd Allah bin Mu’ādh al-Anbarī narrated to us, my father narrated to us; and Muhammad bin ul-Muthannā narrated to us, Abd ur-Rahman bin Mahdī both narrated to us: Shu’bah narrated to us, on authority of Khubayb bin Abd ir-Rahman, on authority of Hafs bin Āsim, on authority of Abī Hurayrah, he said, the Messenger of Allah, peace and blessings of Allah upon him, said: ‘It is enough of a lie for a man to narrate everything he hears’.