Surah Al-Mu'minun 23:103

وَمَنْ خَفَّتْ مَوَٰزِينُهُۥ فَأُو۟لَـٰٓئِكَ ٱلَّذِينَ خَسِرُوٓا۟ أَنفُسَهُمْ فِى جَهَنَّمَ خَـٰلِدُونَ

But those whose scales are light - those are the ones who have lost their souls, [being] in Hell, abiding eternally.

Translation: Saheeh International

Tafsir

and those whose scales are light because of evil deeds they are the ones who have lost their souls and so they will be abiding in Hell.

Excerpt from Tafsir al-Jalalayn, commentary on 23:103, via Quran.com. The reader has the full commentary and 9 more tafsirs.