وَمَا أَصَابَكُمْ يَوْمَ الْتَقَى الْجَمْعَانِ فَبِإِذْنِ اللَّهِ وَلِيَعْلَمَ الْمُؤْمِنِينَ

Surah Al-Imran : 166
And what struck you on the day the two armies met was by permission of Allah that He might make evident the [true] believers.

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