WHEREAS some of the authorities are of the opinion that this surah belongs to the Medina period, many others regard it as a late Meccan revelation. The key-word by which it is designated is found at the end of the first verse.
IT IS NOT [conceivable] that such as are bent on denying the truth - [be they] from among the followers of earlier revelation or from among those who ascribe divinity to aught beside God1 - should ever be abandoned [by Him] ere there comes unto them the [full] evidence of the truth: