Ar-Rum 30:10

<div class="arabic uthmani">وَنُقَلِّبُ أَفْئِدَتَهُمْ وَأَبْصَـرَهُمْ كَمَا لَمْ يُؤْمِنُواْ بِهِ أَوَّلَ مَرَّةٍ وَنَذَرُهُمْ فِى طُغْيَانِهِمْ يَعْمَهُونَ </div><p>(And We shall turn their hearts and their eyes away, as they refused to believe therein for the first time, and We shall leave them in their trespass to wander blindly.) (6:110),</p><div class="arabic uthmani">فَلَمَّا زَاغُواْ أَزَاغَ اللَّهُ قُلُوبَهُمْ</div><p>(So when they turned away, Allah turned their hearts away.) (61:5),</p><div class="arabic uthmani">فَإِن تَوَلَّوْاْ فَاعْلَمْ أَنَّمَا يُرِيدُ اللَّهُ أَن يُصِيبَهُم بِبَعْضِ ذُنُوبِهِمْ</div><p>(And if they turn away, then know that Allah's will is to punish them for some sins of theirs) (5:49). It was said that the meaning of the phrase</p><div class="arabic uthmani">ثُمَّ كَانَ عَـقِبَةَ الَّذِينَ أَسَاءُواْ السُّوءَى</div><p>(Then evil was the end of those who did evil,) is that evil was their inevitable end, because they rejected the signs of Allah and made fun of them. This is the view of Ibn Jarir, which he recorded from Ibn `Abbas and Qatadah. Ibn Abi Hatim also recorded it from them and from Ad-Dahhak bin Muzahim. This is the apparent meaning -- and Allah knows best -- of the phrase:</p><div class="arabic uthmani">وَكَانُواْ بِهَا يَسْتَهْزِئُونَ</div><p>(and made a mockery of them.)</p>

Then evil was the consequence to those who dealt in evil, because they denied the revelations of Allah and made a mock of them.

In the long run evil in the extreme will be the End of those who do evil; for that they rejected the Signs of Allah, and held them up to ridicule.

Then evil was the end of those who did evil, because they belied the Ayat (proofs, evidences, verses, lessons, signs, revelations, Messengers, etc.) of Allah and made mock of them.

Then, evil was the end of those who committed evil. That is because they rejected God’s revelations, and used to ridicule them.