أَلَمۡ تَرَ إِلَىٰ رَبِّكَ كَيۡفَ مَدَّ ٱلظِّلَّ وَلَوۡ شَآءَ لَجَعَلَهُۥ سَاكِنٗا ثُمَّ جَعَلۡنَا ٱلشَّمۡسَ عَلَيۡهِ دَلِيلٗا
Hast thou not regarded thy Lord, how He has stretched out the shadow? Had He willed, He would have made it still. Then We appointed the sun, to be a guide to it
Author: A. J. Arberry