then your lord declared that until the day of resurrection he would send others against them to inflict terrible suffering on them. your lord is swift in retribution yet surely he is most forgiving and merciful.
وإذ تأذن ربك ليبعثن عليهم إلى يوم القيامة من يسومهم سوء العذاب إن ربك لسريع العقاب وإنه لغفور رحيم