Surah Taha 20:126

قَالَ كَذَٰلِكَ أَتَتْكَ ءَايَـٰتُنَا فَنَسِيتَهَا ۖ وَكَذَٰلِكَ ٱلْيَوْمَ تُنسَىٰ

[Allāh] will say, "Thus did Our signs come to you, and you forgot [i.e., disregarded] them; and thus will you this Day be forgotten."

Translation: Saheeh International

Tafsir

He will say ‘So it the affair is. Our signs came to you but you forgot them you neglected them and did not believe in them; and so just as you forgot Our signs today you will be forgotten’ abandoned in the Fire.

Excerpt from Tafsir al-Jalalayn, commentary on 20:126, via Quran.com. The reader has the full commentary and 9 more tafsirs.