As if they had never prospered therein. Unquestionably, Thamud denied their Lord; then, away with Thamud.
English Transliteration
Kaan lam yaghnaw feeha ala inna thamooda kafaroo rabbahum ala buAAdan lithamooda
Tafsir of Verse 68
as if they never dwelt there: 'Surely Thamood disbelieved in their Lord, so away with Thamood!'
As if they had never dwelt and flourished there. Ah! Behold! for the Thamud rejected their Lord and Cherisher! Ah! Behold! removed (from sight) were the Thamud!