[Machine] Abu 'Amir al-Ash'ari was a man who was killed among them with spears, so the Prophet ﷺ said to him, "O Abu 'Amir, did you change?" So he recited this verse, "O you who have believed, upon you is [responsibility for] yourselves. Those who have gone astray will not harm you when you have been guided." [Surah Al-Ma'idah 105] So the Messenger of Allah ﷺ became angry and said, "Where have you gone? It is only, O you who have believed, that those who have gone astray among the disbelievers will not harm you when you have been guided."
عَنْ أَبِي عَامِرٍ الْأَشْعَرِيِّ كَانَ رَجُلٌ قُتِلَ مِنْهُمْ بِأَوْطَاسٍ فَقَالَ لَهُ النَّبِيُّ ﷺ يَا أَبَا عَامِرٍ أَلَا غَيَّرْتَ؟ فَتَلَا هَذِهِ الْآيَةَ {يَا أَيُّهَا الَّذِينَ آمَنُوا عَلَيْكُمْ أَنْفُسَكُمْ لَا يَضُرُّكُمْ مَنْ ضَلَّ إِذَا اهْتَدَيْتُمْ} [المائدة 105] فَغَضِبَ رَسُولُ اللهِ ﷺ وَقَالَ أَيْنَ ذَهَبْتُمْ إِنَّمَا هِيَ يَا أَيُّهَا الَّذِينَ آمَنُوا لَا يَضُرُّكُمْ مَنْ ضَلَّ مِنَ الْكُفَّارِ إِذَا اهْتَدَيْتُمْ