Virtues of the Qur'an

Bukhari :: Book 6 :: Volume 61 :: Hadith 526

Narrated Anas bin Malik:

When the Prophet died, none had collected the Qur'an but four persons;: Abu Ad-Darda'. Mu'adh bin Jabal, Zaid bin Thabit and Abu Zaid. We were the inheritor (of Abu Zaid) as he had no offspring .