وَهُوَ ٱلَّذِى جَعَلَ ٱلَّيْلَ وَٱلنَّهَارَ خِلْفَةً لِّمَنْ أَرَادَ أَن يَذَّكَّرَ أَوْ أَرَادَ شُكُورًا
Wa huwal lazee ja'alal laila wannahaara khilfatal liman araada ai yazzakkara aw araadaa shookooraa
And it is he who made the night and the day follow each other, for anyone who wishes to remember or wishes to give thanks.