Sahih Bukhari
Prophetic Commentary on the Quran (Tafseer of the Prophet (PBUH))
Volume: 006 / Book Number: 060 / Hadith Number: 485
Narrated Anas bin Malik:
Allah's Prophet said to Ubai bin Ka'b, "Allah has ordered me to recite Quran to you." Ubai said, "Did Allah mention me by name to you?" The Prophet said, "Yes." Ubai said, "Have I been mentioned by the Lord of the Worlds?" The Prophet said, "Yes." Then Ubai burst into tears.