قُلْSay (`O Muhammad, to these people,')... سِيرُوا فِي الاَْرْضِ فَانظُرُوا كَيْفَ كَانَ عَاقِبَةُ الْمُجْرِمِينَTravel in the land and see how has been the end of the criminals.meaning, those who denied the Messengers and their message of the Resurrection and other matters. See how the punishment and vengeance of Allah struck them and how Allah saved from among them the noble Messengers and the believers who followed them.This will be an indication of the truth of the Message brought by the Messengers.Then, to comfort the Prophet, Allah says: