Quran 51:56 from Surah Adh-Dhaariyat on Divine Marvels.
وَمَا خَلَقۡتُ ٱلۡجِنَّ وَٱلۡإِنسَ إِلَّا لِيَعۡبُدُونِ
English translation: And not I have created the jinn and the mankind except that they worship Me
Transliteration: wama khalaqtu al-jina wal-insa illa liya'buduni