Surah Al-A'raf 7:8
وَٱلْوَزْنُ يَوْمَئِذٍ ٱلْحَقُّ ۚ فَمَن ثَقُلَتْ مَوَٰزِينُهُۥ فَأُو۟لَٰٓئِكَ هُمُ ٱلْمُفْلِحُونَ ٨
EnglishSahih International
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.