Quran 67:29 from Surah Al-Mulk on Divine Marvels.
قُلۡ هُوَ ٱلرَّحۡمَٰنُ ءَامَنَّا بِهِۦ وَعَلَيۡهِ تَوَكَّلۡنَاۖ فَسَتَعۡلَمُونَ مَنۡ هُوَ فِي ضَلَٰلٖ مُّبِينٖ
English translation: Say He (is) the Most Gracious; we believe in Him and upon Him we put (our) trust So soon you will know who (is) it (that is) in error clear
Transliteration: qul huwa al-rahmanu amanna bihi wa'alayhi tawakkalna fasata'lamuna man huwa fi dalalin mubinin