And with the truth We sent down this Qur'an upon Muhammad peace and blessings of Allah be upon him for the command of the servants and their prohibition and their reward and their punishment, and with the truthfulness and the justice and the preservation from the change and the shifting it descended. And We did not send you-O Messenger-except as one bringing glad tidings with Paradise for who obeyed, and a frightener with the Fire for who disobeyed and disbelieved.