Volume 6, Book 61, Number 521:
Narrated Masriq:
‘Abdullah bin ‘Amr mentioned ‘Abdullah bin Masud and said, “I shall ever love that man, for I
heard the Prophet saying, ‘Take (learn) the Qur’an from four: ‘Abdullah bin Masud, Salim, Mu’adh
and Ubai bin Ka’b.’ “