Surah Maryam — Ayah 91 (19:91)
أَن دَعَوۡاْ لِلرَّحۡمَٰنِ وَلَدٗا ٩١
English translation (Saheeh International)
That they attribute to the Most Merciful a son.
Brief commentary
All of this because they have attributed a son to the Merciful. Allah is high above that by far.