Sahih Ibn Khuzaymah 2209 — In the narration of Sayyiduna Abu Hurairah

In the narration of Sayyiduna Abu Hurairah (may Allah be pleased with him), it is mentioned that the Noble Prophet (peace and blessings of Allah be upon him) was informed that Sayyiduna Ubayy bin Ka'b (may Allah be pleased with him) was leading in prayer those people who did not have the Qur'an memorized. So the Prophet (peace and blessings of Allah be upon him) approved of his action and said, "He has done the right or a very good thing."