Surah Maryam 19:92
وَمَا يَنۢبَغِى لِلرَّحْمَـٰنِ أَن يَتَّخِذَ وَلَدًا
And it is not appropriate for the Most Merciful that He should take a son.
Translation: Saheeh International
Tafsir
when it is not meet for the Majesty of the Compassionate One to take a son that is to say such a thing does not befit Him.
Excerpt from Tafsir al-Jalalayn, commentary on 19:92, via Quran.com. The reader has the full commentary and 9 more tafsirs.