Quran 9:129 from Surah At-Tawba on Divine Marvels.
فَإِن تَوَلَّوۡاْ فَقُلۡ حَسۡبِيَ ٱللَّهُ لَآ إِلَٰهَ إِلَّا هُوَۖ عَلَيۡهِ تَوَكَّلۡتُۖ وَهُوَ رَبُّ ٱلۡعَرۡشِ ٱلۡعَظِيمِ
English translation: But if they turn away then say Sufficient for me (is) Allah (There is) no god except Him On Him I put my trust And He (is the) Lord (of) the Throne the Great
Transliteration: fa-in tawallaw faqul hasbiya al-lahu la ilaha illa huwa alayhi tawakkaltu wahuwa rabbu al-'arshi al-'azimi