Opening the verse
يَـٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوا۟ عَلَيْكُمْ أَنفُسَكُمْ ۖ لَا يَضُرُّكُم مَّن ضَلَّ إِذَا ٱهْتَدَيْتُمْ ۚ إِلَى ٱللَّهِ مَرْجِعُكُمْ جَمِيعًا فَيُنَبِّئُكُم بِمَا كُنتُمْ تَعْمَلُونَ
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. To Allāh is your return all together; then He will inform you of what you used to do.
Narrated Abu Bakr As-Siddiq:"O you people! You recite this Ayah: Take care of yourselves! If you follow the guidance no harm shall come to you from those who are astray (5:105). I indeed heard the Messenger of Allah (ﷺ) saying: 'When the people see the wrongdoer, and they do not stop him (from doing wrong), then it is soon that Allah shall envelope you in a punishment from Him
Weak (da'if) — scholars do not use this report as evidence for rulings.
Narrated Abu Umayah Ash-Sha'bani:"I went to Abu Tha'balah Al-Khushani and said to him: 'How do you deal with this Ayah?' He said: 'Which Ayah?' I said: 'Allah's saying: Take care of yourselves! If you follow the guidance no harm shall come to you (5:105).' He said: 'Well, by Allah! I asked one well-informed about it, I asked the Messenger of Allah (ﷺ) about it. [So] he said: "Rather, comply with (and order) the good, and stay away from (and prohibit) the evil, until you see avarice obeyed, desires followed, and the world preferred, and everyone is amazed with his view. Then you should be worried about yourself in particular, and worry of the common folk. Ahead of you are the days in which…