O son of al-Akwa', you have turned apostate and have come to live again in the desert with the Bedouins (after your migration). He said: No, but the Messenger of Allah ﷺ has permitted me to live in the desert.  

لاَ وَلَكِنْ رَسُولُ اللَّهِ ﷺ أَذِنَ لِي فِي الْبَدْوِ