21:47
وَنَضَعُ الْمَوَازِينَ الْقِسْطَ لِيَوْمِ الْقِيَامَةِ فَلَا تُظْلَمُ نَفْسٌ شَيْئاً وَإِن كَانَ مِثْقَالَ حَبَّةٍ مِّنْ خَرْدَلٍ أَتَيْنَا بِهَا وَكَفَى بِنَا حَاسِبِينَ
We shall set up scales of justice for the Day of Judgment, so that not a soul will be dealt with unjustly in the least, and if there be (no more than) the weight of a mustard seed, We will bring it (to account): and enough are We to take account.
101:6
فَأَمَّا مَن ثَقُلَتْ مَوَازِينُهُ
Then, he whose balance (of good deeds) will be (found) heavy,
101:8
وَأَمَّا مَنْ خَفَّتْ مَوَازِينُهُ
But he whose balance (of good deeds) will be (found) light,-