الْاَعْرَافِ · 8

وَٱلۡوَزۡنُ يَوۡمَئِذٍ ٱلۡحَقُّۚ فَمَن ثَقُلَتۡ مَوَٰزِينُهُۥ فَأُوْلَٰٓئِكَ هُمُ ٱلۡمُفۡلِحُونَ

The balance that day will be true (to nicety): those whose scale (of good) will be heavy, will prosper