Surah Ad-Dukhan 44:41

يَوْمَ لَا يُغْنِى مَوْلًى عَن مَّوْلًى شَيْـًٔا وَلَا هُمْ يُنصَرُونَ

The Day when no relation will avail a relation at all, nor will they be helped -

Translation: Saheeh International

Tafsir

the day when a friend will not avail a friend on account of kinship or friendship that is to say the day when he will not be able to ward off from the other anything of the chastisement nor will they be helped — nor will they be protected from it yawma ‘the day’ is a substitution for yawma’l-fasl ‘the Day of Decision’

Excerpt from Tafsir al-Jalalayn, commentary on 44:41, via Quran.com. The reader has the full commentary and 9 more tafsirs.