13فَإِن أَعرَضوا فَقُل أَنذَرتُكُم صاعِقَةً مِثلَ صاعِقَةِ عادٍ وَثَمودَT. B. IrvingIf they avoid it, then say: "I have warned you of a thunderbolt like ‘Ād 's and Thamūd's thunderbolt."