Surah Ali 'Imran 3:152

وَلَقَدْ صَدَقَكُمُ ٱللَّهُ وَعْدَهُۥٓ إِذْ تَحُسُّونَهُم بِإِذْنِهِۦ ۖ حَتَّىٰٓ إِذَا فَشِلْتُمْ وَتَنَـٰزَعْتُمْ فِى ٱلْأَمْرِ وَعَصَيْتُم مِّنۢ بَعْدِ مَآ أَرَىٰكُم مَّا تُحِبُّونَ ۚ مِنكُم مَّن يُرِيدُ ٱلدُّنْيَا وَمِنكُم مَّن يُرِيدُ ٱلْـَٔاخِرَةَ ۚ ثُمَّ صَرَفَكُمْ عَنْهُمْ لِيَبْتَلِيَكُمْ ۖ وَلَقَدْ عَفَا عَنكُمْ ۗ وَٱللَّهُ ذُو فَضْلٍ عَلَى ٱلْمُؤْمِنِينَ

And Allāh had certainly fulfilled His promise to you when you were killing them [i.e., the enemy] by His permission until [the time] when you lost courage and fell to disputing about the order [given by the Prophet (ﷺ)] and disobeyed after He had shown you that which you love. Among you are some who desire this world, and among you are some who desire the Hereafter. Then He turned you back from them [defeated] that He might test you. And He has already forgiven you, and Allāh is the possessor of bounty for the believers.

Translation: Saheeh International

Tafsir

God has been true to His promise towards you of giving you victory when you slew them by His leave by His will until you lost heart until you shrank from battle and quarrelled disagreed over the command that is the command of the Prophet s that you remain at the foot of the mountain for the arrow attack some of you …

Excerpt from Tafsir al-Jalalayn, commentary on 3:152, via Quran.com. The reader has the full commentary and 9 more tafsirs.