16 Preface فَبِأَيِّ آلاءِ رَبِّكُما تُكَذِّبانِYusuf AliThen which of the favours of your Lord will ye deny?1Part of the idea of this refrain will be found in 16:71, 72; 40:81: and 53:55 (where see n. 5122).