What did Anas bin Malik say about who collected the Qur'an at the time of the Prophet Muhammad (saw)?
 Narrated Qatada:                     I asked Anas bin Malik: "Who collected the Qur'an at the time of the Prophet ?" He replied, "Four, all of whom were from the Ansar: Ubai bin Ka`b, Mu`adh bin Jabal, Zaid bin Thabit and Abu Zaid."