Surah Al-Muddaththir 74:25

إِنْ هَـٰذَآ إِلَّا قَوْلُ ٱلْبَشَرِ

This is not but the word of a human being."

Translation: Saheeh International

Tafsir

this is nothing but the speech of humans’ similar to what they the idolaters had said ‘It is only a human that is teaching him’ Q. 16103.

Excerpt from Tafsir al-Jalalayn, commentary on 74:25, via Quran.com. The reader has the full commentary and 9 more tafsirs.