Qāf - 29

﴿مَا يُبَدَّلُ الْقَوْلُ لَدَيَّ وَمَا أَنَا بِظَلَّامٍ لِلْعَبِيدِ﴾

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29. The Sentence that comes from Me cannot be changed, and I am not unjust to the slaves."