Surah Maryam — Ayah 92 (19:92)
وَمَا يَنۢبَغِي لِلرَّحۡمَٰنِ أَن يَتَّخِذَ وَلَدًا ٩٢
English translation (Saheeh International)
And it is not appropriate for the Most Merciful that He should take a son.
Brief commentary
It is not befitting of the Merciful to take a son as He is pure of that.