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

Bukhari :: Book 6 :: Volume 60 :: Hadith 433

Narrated Ibn 'Abbas:

If someone says to his wife, "You are unlawful to me." he must make an expiation (for his oath). Ibn 'Abbas added: There is for you in Allah's Apostle, an excellent example to follow.