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Surah 2. Al-Baqara
Ayah 159 - 160
159إِنَّ ٱلَّذِينَ يَكْتُمُونَ مَآ أَنزَلْنَا مِنَ ٱلْبَيِّنَـٰتِ وَٱلْهُدَىٰ مِنۢ بَعْدِ مَا بَيَّنَّـٰهُ لِلنَّاسِ فِى ٱلْكِتَـٰبِ ۙ أُو۟لَـٰٓئِكَ يَلْعَنُهُمُ ٱللَّهُ وَيَلْعَنُهُمُ ٱللَّـٰعِنُونَ
160إِلَّا ٱلَّذِينَ تَابُوا۟ وَأَصْلَحُوا۟ وَبَيَّنُوا۟ فَأُو۟لَـٰٓئِكَ أَتُوبُ عَلَيْهِمْ ۚ وَأَنَا ٱلتَّوَّابُ ٱلرَّحِيمُ
[159-160] Indeed Allah curses, and the cursers, too, curse those who conceal the clear teachings and guidance We have sent down, after We have made these plain in the Book for the guidance of all mankind.160 I, however, will forgive those of them who repent of it, mend their ways and make own what they were concealing: for I am very generous in accepting repentance and showing mercy.
160The greatest crime of the Jewish scholars was that they had made the teachings of their Scriptures the monopoly of their rabbis and professional scribes. Not to speak of imparting these to the Gentiles, they did not teach them even to the common Jews. As a result, the Jews began to practise irreligious things because of their ignorance. Even then their rabbis did not do anything to reform and educate them. Instead of this, they went on, directly or indirectly, certifying every irreligious practice as legal merely for the sake of winning and retaining popularity. The Muslims are being forewarned that as leaders of the world they should propagate and spread the Guidance given to them and should not keep it back from the common people as the Jewish rabbis and scribes did.