Quran 72:20 from Surah Al-Jinn on Divine Marvels.
قُلۡ إِنَّمَآ أَدۡعُواْ رَبِّي وَلَآ أُشۡرِكُ بِهِۦٓ أَحَدٗا
English translation: Say Only I call upon my Lord and not I associate with Him anyone
Transliteration: qul innama ad'u rabbi wala ush'riku bihi ahadan