فَلْيَحْذَرِ ٱلَّذِينَ يُخَالِفُونَ عَنْ أَمْرِهِۦٓ أَن تُصِيبَهُمْ
فِتْنَةٌ أَوْ يُصِيبَهُمْ عَذَابٌ أَلِيمٌ ٦٣
…And let those who oppose the Messenger’s (Muhammad صلى الله عليه وسلم) commandment (i.e. his Sunnah – legal ways, orders, acts of worship, statements) (among the sects) beware, lest some Fitnah (disbelief, trials, afflictions, earthquakes, killing, overpowered by a tyrant) should befall them or a painful torment be inflicted on them.
al-Hilâlî & Muhsin Khân Translation , The Noble Qur'ân, Surah 24. An-Nûr, ayah 63.
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