It is narrated from Sayyiduna Abdullah bin Umar, may Allah be pleased with them both, that he said: The Messenger of Allah, peace and blessings be upon him, said: Do not reside among the Nabatean tribes in their cities. And if they dispute with you in conversation, then avoid them. Beware of them, beware of them, and do not marry the people of Khuzestan, for there is treachery in their roots.