Human Capacity and Limitations

وَلَا نُكَلِّفُ نَفْسًا إِلَّا وُسْعَهَا ۖ وَلَدَيْنَا كِتَـٰبٌ يَنطِقُ بِٱلْحَقِّ ۚ وَهُمْ لَا يُظْلَمُونَ

And We charge no soul except [with that within] its capacity, and with Us is a record which speaks with truth; and they will not be wronged.

نِّصْفَهُۥٓ أَوِ ٱنقُصْ مِنْهُ قَلِيلًا

Half of it - or subtract from it a little