Surah Al-Qamar 54:38

وَلَقَدْ صَبَّحَهُم بُكْرَةً عَذَابٌ مُّسْتَقِرٌّ

And there came upon them by morning an abiding punishment.

Translation: Saheeh International

Tafsir

And verily there greeted them in the early morning the morning time of an unspecified day an abiding chastisement a permanent chastisement continuous with the chastisement of the Hereafter.

Excerpt from Tafsir al-Jalalayn, commentary on 54:38, via Quran.com. The reader has the full commentary and 9 more tafsirs.