43:81

Az-Zukhruf 43:81

قُلْ إِن كَانَ لِلرَّحْمَٰنِ وَلَدٌۭ فَأَنَا۠ أَوَّلُ ٱلْعَٰبِدِينَ

Qul in kaana lir Rahmaani walad; fa-ana awwalul 'aabideen

Say: "If (Allah) Most Gracious had a son, I would be the first to worship."