Quran 76:9 from Surah Al-Insaan on Divine Marvels.
إِنَّمَا نُطۡعِمُكُمۡ لِوَجۡهِ ٱللَّهِ لَا نُرِيدُ مِنكُمۡ جَزَآءٗ وَلَا شُكُورًا
English translation: Only we feed you for (the) Countenance (of) Allah Not we desire from you any reward and not thanks
Transliteration: innama nut'imukum liwajhi al-lahi la nuridu minkum jazaan wala shukuran