Tafsir of Surah Aal-i-Imraan 3:166

﴿وَمَا أَصَابَكُمْ يَوْمَ الْتَقَى الْجَمْعَانِ فَبِإِذْنِ اللَّهِ وَلِيَعْلَمَ الْمُؤْمِنِينَ﴾

And what struck you on the day the two armies met [at Uḥud] was by permission of Allāh that He might make evident the [true] believers

English Translation - Noor International Center — v1.1.2 · QuranEnc.com

The words of the two imams are given in their original Arabic, verbatim, with references.

Shaykh al-Islam Ibn Taymiyyah

فإن الذي أصابهم من القتل والجراح والتمثيل والهزيمة: إذا كان بإذنه فهو خالق لأفعال الكفار ولأفعال المؤمنين.«مجموع الفتاوى» 14/384