The Heights - 7:8 On that Day the scales will be true. Those whose scales are heavy are those who have succeeded.
Those whose scales are heavy:
The Heights/7:8 On that Day the scales will be true. Those whose scales are heavy are those who have succeeded.
وَالْوَزْنُ يَوْمَئِذٍۨ الْحَقُّۚ فَمَنْ ثَقُلَتْ مَوَاز۪ينُهُ فَاُو۬لٰٓئِكَ هُمُ الْمُفْلِحُونَ
The Heights/7:9 And those whose scales are light are those who have lost their character by being unjust against Our signs.
وَمَنْ خَفَّتْ مَوَاز۪ينُهُ فَاُو۬لٰٓئِكَ الَّذ۪ينَ خَسِرُٓوا اَنْفُسَهُمْ بِمَا كَانُوا بِاٰيَاتِنَا يَظْلِمُونَ

The Calamity/101:5 And the mountains will be like discarded wool.
وَتَكُونُ الْجِبَالُ كَالْعِهْنِ الْمَنْفُوشِۜ

The Prophets/21:47 We will set up scales of justice for the Day of Resurrection. No injustice will be done to anyone. We will take into account even the weight of a grain of mustard seed. We are sufficient as the reckoners.
وَنَضَعُ الْمَوَاز۪ينَ الْقِسْطَ لِيَوْمِ الْقِيٰمَةِ فَلَا تُظْلَمُ نَفْسٌ شَيْـٔاًۜ وَاِنْ كَانَ مِثْقَالَ حَبَّةٍ مِنْ خَرْدَلٍ اَتَيْنَا بِهَاۜ وَكَفٰى بِنَا حَاسِب۪ينَ

The Shaking/99:7 Whoever does a single atom´s weight of good deeds will see it.
فَمَنْ يَعْمَلْ مِثْقَالَ ذَرَّةٍ خَيْراً يَرَهُۜ
The Shaking/99:8 And whoever does an atom´s weight of evil will see it.
وَمَنْ يَعْمَلْ مِثْقَالَ ذَرَّةٍ شَراًّ يَرَهُ