يَحْذَرُ الْمُنَافِقُونَ أَن تُنَزَّلَ عَلَيْهِمْ سُورَةٌ تُنَبِّئُهُمْ بِمَا فِي قُلُوبِهِم قُلِ اسْتَهْزِؤُواْ إِنَّ اللّهَ مُخْرِجٌ مَّا تَحْذَرُونَ
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سورة التوبة
(9/64) The hypocrites fear lest a chapter (Surah) should be sent down to them telling them plainly of what is in their hearts. Say: “Go on mocking, surely Allah will bring forth what you fear”.
Surah At-Tawbah