Do not fabricate lies against Allah, meaning do not call His signs and miracles magic. It is read as 'He will cause you to perish,' and 'perish' is the language of the people of Hijaz. 'Perishing' is the language of the people of Najd and Banu Tamim. From it is the saying of Al-Farazdaq: ... except for a perishing or a ruined one. In a house where the knees still clash in the settling of its grammar. [The saying 'in a house where the knees still clash in the settling of its grammar' refers to the saying: And a time has passed, O son of Marwan, that has left ... of wealth except for a perishing or a ruined one. And 'perishing' means destruction. And 'ruined' is that which has been taken from its sides, as in the dictionaries.]