26:70
Ash-Shu'ara 70
Surah Ash-Shu'ara (الشعراء), verse 70 — reference 26:70. Arabic text with optional translation and free audio on Al-Qalam.
إِذْ قَالَ لِأَبِيهِ وَقَوْمِهِۦ مَا تَعْبُدُونَ
idh qāla li-abīhi waqawmihi mā taʿbudūna
When he said to his father and his people, "What do you worship?"