 consider when your lord declared to the his decision to raise a people above them who would make them suffer the worst kinds of torments until the day of judgment. certainly your lords retribution is swift. he is allforgiving and allmerciful.
وإذ تأذن ربك ليبعثن عليهم إلى يوم القيامة من يسومهم سوء العذاب إن ربك لسريع العقاب وإنه لغفور رحيم