Qur'an 7:8 · Al-A'raaf

وَٱلْوَزْنُ يَوْمَئِذٍ ٱلْحَقُّ ۚ فَمَن ثَقُلَتْ مَوَٰزِينُهُۥ فَأُو۟لَٰٓئِكَ هُمُ ٱلْمُفْلِحُونَ

(8) And the weighing [of deeds] that Day will be the truth. So those whose scales are heavy - it is they who will be the successful.