This is the only Sūrah of the Qur’ān to which ‘In the Name of God, Most Gracious Most Merciful’ is not prefixed. Though the commentators have given different reasons for this, the correct one that which has been given by Imām Razi: namely this is because the Prophet himself did not dictate it at the beginning of the Sūrah. Therefore the Companions did not prefix it and their successors followed them. This is a further proof of the fact that utmost care has been taken to keep the Qur’ān intact so that it should remain in its complete and original form.