Surah Al-A'raf (7:8)

وَٱلْوَزْنُ يَوْمَئِذٍ ٱلْحَقُّ فَمَن ثَقُلَتْ مَوَٰزِينُهُۥ فَأُو۟لَٰٓئِكَ هُمُ ٱلْمُفْلِحُونَ

And the weighing on that Day is the truth; so whoever’s balances are heavy – then it is they who are the ones who prosper.