سُنَّةَ اللَّهِ فِي الَّذِينَ خَلَوْا مِن قَبْلُ وَلَن تَجِدَ لِسُنَّةِ اللَّهِ تَبْدِيلًا
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سورة الأحزاب
(33/62) This is (also) the Sunnatullah (the Law of Allah) with respect to those who passed away of old. And you can not find any change in the Sunnatullah of Allah.
Surah Al-Ahzab