سورة Al-Muminun 23:103

وَمَنْ خَفَّتْ مَوَٰزِينُهُۥ فَأُو۟لَـٰٓئِكَ ٱلَّذِينَ خَسِرُوٓا۟ أَنفُسَهُمْ فِى جَهَنَّمَ خَـٰلِدُونَ ١٠٣

But those whose scale is light, they will have doomed themselves, staying in Hell forever