Al A’raf Ayah 8

وَٱلْوَزْنُ يَوْمَئِذٍ ٱلْحَقُّ‌ۚ فَمَن ثَقُلَتْ مَوَٲزِينُهُۥ فَأُوْلَـٰٓئِكَ هُمُ ٱلْمُفْلِحُونَ ٨ The weighing on that Day will be just. As for those whose scale will be heavy ?with good deeds?, ?only? they will be successful.