Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))

Bukhari :: Book 6 :: Volume 60 :: Hadith 227

Narrated Abu Huraira:

Allah's Apostle said, "The Um (substance) of the Quran is the seven oft-repeated verses (Al-Mathaini) and is the Great Quran (i.e. Surat-al-Fatiha)."