Surah As-Saffat, ayah 85

37:85

إِذۡ قَالَ لِأَبِيهِ وَقَوۡمِهِۦ مَاذَا تَعۡبُدُونَ ٨٥

Idh qāla li abīhi waqawmihī mādhā ta'budūn

[And] when he said to his father and his people, "What do you worship?