13فَإِن أَعرَضوا فَقُل أَنذَرتُكُم صاعِقَةً مِثلَ صاعِقَةِ عادٍ وَثَمودَJ. M. RodwellIf they turn away, then SAY: I warn you of a tempest, like the tempest of Ad and Themoud!