فَمَن يَعْمَلْ مِثْقَالَ ذَرَّةٍ خَيْرًا يَرَهُ، وَمَن يَعْمَلْ مِثْقَالَ ذَرَّةٍ شَرًّا يَرَهُ

So whoever does an atom’s weight of good will see it, and whoever does an atom’s weight of evil will see it. (Surah Az-Zalzalah 99:7–8)