51:56
وَمَا خَلَقْتُ الْجِنَّ وَالْاِنْسَ اِلَّا لِیَعْبُدُونِ
Wama khalaqtu aljinna waalinsa illa liyaAAbudooni
Translations
And I did not create the jinn and mankind except to worship Me
Saheeh International
I created the jinn and humankind only that they might worship Me
Marmaduke Pickthall