Surah Ash-Shu'ara 26:225

أَلَمْ تَرَ أَنَّهُمْ فِى كُلِّ وَادٍ يَهِيمُونَ

Do you not see that in every valley they roam

Translation: Saheeh International

Tafsir

Have you not noticed that — are you not aware that — in every valley of the valleys of rhetoric and the art thereof they rove overstepping the bounds of decency in their eulogies and diatribes

Excerpt from Tafsir al-Jalalayn, commentary on 26:225, via Quran.com. The reader has the full commentary and 9 more tafsirs.