"When (the following) was revealed: It is those who believe and confuse not their belief with Zulm (wrong) (6:82) - That bothered some Muslims, so they said: 'O Messenger of Allah! Which of us has not wronged himself?' He said: 'It is not that, it is only Shirk, have you not heard what Luqman said to his son: O my son! Do not commit Shirk with Allah. Verily Shirk is a tremendous Zulm (wrong) (31:13).'" (Using translation from Tirmidhī 3067)
لَمَّا نَزَلَتْ هَذِهِ الْآيَةُ {الَّذِينَ آمَنُوا وَلَمْ يَلْبِسُوا إِيمَانَهُمْ بِظُلْمٍ} [الأنعام 82] قَالُوا يَا رَسُولَ اللهِ فَأَيُّنَا لَا يَظْلِمُ نَفْسَهُ؟ قَالَ لَيْسَ ذَاكَ هُوَ الشِّرْكَ أَلَمْ تَسْمَعُوا مَا قَالَ لُقْمَانُ لِابْنِهِ {لَا تُشْرِكْ بِاللهِ إِنَّ الشِّرْكَ لَظُلْمٌ عَظِيمٌ} [لقمان 13]