"And when We substitute a verse in place of a verse—and Allah is most knowing of what He sends down—they say, 'You are but an inventor [of lies].'" The interpretation of al-Hasan: When a verse was revealed and acted upon, and it contained strictness, then a verse was revealed after it containing leniency, they would say, 'Muhammad only commands his companions with a matter; then when it becomes difficult for them, he diverts it to another. If this matter were from Allah, it would have been one consistent command and would not have differed, but it is from...'
﴿وَإِذَا بَدَّلْنَا آيَةً مَكَانَ آيَةٍ وَاللَّهُ أَعْلَمُ بِمَا يُنَزِّلُ قَالُوا إِنَّمَا أَنْت مفتر﴾ تَفْسِيرُ الْحَسَنِ: كَانَتِ الآيَةُ إِذَا نَزَلَتْ؛ فَعُمِلَ بِهَا وَفِيهَا شِدَّةٌ، ثمَّ نزلت بَعْدَهَا آيَةٌ فِيهَا لِينٌ قَالُوا: إِنَّمَا يَأْمُرُ محمدٌ أَصْحَابَهُ بِالأَمْرِ؛ فَإِذَا اشْتَدَّ عَلَيْهِمْ صَرَفَهُ إِلَى غَيْرِهِ، وَلْو كَانَ هَذَا الأَمْرُ مِنْ عِنْدِ اللَّهِ لَكَانَ أَمْرًا وَاحِدًا، وَمَا اخْتَلَفَ وَلَكِنَّهُ مِنْ قبل