Quran 20:14 from Surah Taa-Haa on Divine Marvels.
إِنَّنِيٓ أَنَا ٱللَّهُ لَآ إِلَٰهَ إِلَّآ أَنَا۠ فَٱعۡبُدۡنِي وَأَقِمِ ٱلصَّلَوٰةَ لِذِكۡرِيٓ
English translation: Indeed [I] I Am Allah (There is) no god but I so worship Me and establish the prayer for My remembrance
Transliteration: innani ana al-lahu la ilaha illa ana fa-u'bud'ni wa-aqimi al-salata lidhik'ri