Surah Al-A'raf 7:135
فَلَمَّا كَشَفْنَا عَنْهُمُ ٱلرِّجْزَ إِلَىٰٓ أَجَلٍ هُم بَٰلِغُوهُ إِذَا هُمْ يَنكُثُونَ ١٣٥
EnglishSahih International
But when We removed the punishment from them until a term which they were to reach, then at once they broke their word.