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Surah 3. Aal-Imran
Ayah 23 - 25
23أَلَمْ تَرَ إِلَى ٱلَّذِينَ أُوتُوا۟ نَصِيبًا مِّنَ ٱلْكِتَـٰبِ يُدْعَوْنَ إِلَىٰ كِتَـٰبِ ٱللَّهِ لِيَحْكُمَ بَيْنَهُمْ ثُمَّ يَتَوَلَّىٰ فَرِيقٌ مِّنْهُمْ وَهُم مُّعْرِضُونَ
24ذَٰلِكَ بِأَنَّهُمْ قَالُوا۟ لَن تَمَسَّنَا ٱلنَّارُ إِلَّآ أَيَّامًا مَّعْدُودَٰتٍ ۖ وَغَرَّهُمْ فِى دِينِهِم مَّا كَانُوا۟ يَفْتَرُونَ
25فَكَيْفَ إِذَا جَمَعْنَـٰهُمْ لِيَوْمٍ لَّا رَيْبَ فِيهِ وَوُفِّيَتْ كُلُّ نَفْسٍ مَّا كَسَبَتْ وَهُمْ لَا يُظْلَمُونَ
[23-25] Have you not marked the behaviour of those who have received a share of the knowledge of the Book? When they are invited to the Book of Allah so that it may judge between them, some of them evade it and turn away from Its judgement.22 They do this because they say, "The fire of Hell is not going to touch us and even if it does at all, it will be only for a few days."23 Such self invented beliefs have involved them in various kinds of misunderstandings about their religion. But what will they do when We will gather them together on the Day which is sure to come? On that day, everyone will be paid in full for what one has earned, and none shall be wronged.
22That is, "They are asked to acknowledge the Book of Allah as the final authority and bow before its decrees and accept as true whatever is proved to he true by it, and reject whatever is proved to be false by it. "It should be noted that here by the Book of God is meant the Torah or the Gospel and by "the people who have received a share of the knowledge of the Book" are meant the learned people of the Jews and the Christians.
23As such people regard themselves to be the favourites of God, they delude themselves that they are going to enter into Paradise anyhow, irrespective of the quality of their deeds. They foolishly believe that the fire of Hell dare not touch them because they are "true" believers and the children of such pious ancestors, and the followers of such and such prophets and the disciples of such and such saints, etc., etc. And if at all they are cast into Hell, they argue, they will be kept there only for a few days and that, too, to be cleansed of the impurity of sins and then will go into Paradise permanently. Such misleading ideas and conceptions have made them so bold that they commit the gravest crimes and the most heinous sins fearlessly: so much so that they openly disown the Truth without the least fear of Allah.