4 Preface كَذَّبَت ثَمودُ وَعادٌ بِالقارِعَةِYusuf AliThe Thamūd1 and the ‘Ād People (branded) as false the Stunning Calamity!2For these two peoples of antiquity, see n. 1043 to 7:73, and n. 1040 to 7:65.Another description of the terrible Day of Judgment. This word Qari'ah also occurs as the title of S. 101.