يَحْلِفُونَ بِاللّهِ مَا قَالُواْ وَلَقَدْ قَالُواْ كَلِمَةَ الْكُفْرِ وَكَفَرُواْ بَعْدَ إِسْلاَمِهِمْ وَهَمُّواْ بِمَا لَمْ يَنَالُواْ وَمَا نَقَمُواْ إِلاَّ أَنْ أَغْنَاهُمُ اللّهُ وَرَسُولُهُ مِن فَضْلِهِ فَإِن يَتُوبُواْ يَكُ خَيْرًا لَّهُمْ وَإِن يَتَوَلَّوْا يُعَذِّبْهُمُ اللّهُ عَذَابًا أَلِيمًا فِي الدُّنْيَا وَالآخِرَةِ وَمَا لَهُمْ فِي الأَرْضِ مِن وَلِيٍّ وَلاَ نَصِيرٍ
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سورة التوبة
(9/74) They swear by Allah that they said nothing, and certainly they did say the word of disbelief and did disbelieve after their Islam and they had resolved to do that which they have not been able to reach and what they wanted to avenge was only this, that Allah and His Messenger enriched them out of His Virtue. Then if they repent, it will be better for them; and if they turn back (from faith), Allah will torment them with a painful torment in this world and in the Hereafter. And there is none for them on earth as a friend or a helper.
Surah At-Tawbah