“I have forgiven them, except for the wrongdoer, with whom I will settle the score in favor of the one whom he wronged.” He said: “O Lord, if You will, then grant Paradise to the one who is wronged, and forgive the wrongdoer.” No response came (that evening).The next day at Muzdalifah he repeated the supplication, and received a response to what he asked for. He (the narrator) said: “The Messenger of Allah ﷺ laughed,” or he said, “He smiled. Abu Bakr and ‘Umar said to him: ‘May my father and mother be ransomed for you, this is not a time when you usually laugh. What made you laugh, may Allah make your years filled with laughter?’ He said: ‘The enemy of Allah, Iblis, when he came to know that Allah answered my prayer and forgiven my nation, took some dust and started to sprinkle it on his head, uttering cries of woe and doom, and what I saw of his anguish made me laugh.’”  

أَنَّ النَّبِيَّ ﷺ دَعَا لأُمَّتِهِ عَشِيَّةَ عَرَفَةَ بِالْمَغْفِرَةِ فَأُجِيبَ إِنِّي قَدْ غَفَرْتُ لَهُمْ مَا خَلاَ الظَّالِمَ فَإِنِّي آخُذُ لِلْمَظْلُومِ مِنْهُ قَالَ أَىْ رَبِّ إِنْ شِئْتَ أَعْطَيْتَ الْمَظْلُومَ مِنَ الْجَنَّةِ وَغَفَرْتَ لِلظَّالِمِ فَلَمْ يُجَبْ عَشِيَّتَهُ فَلَمَّا أَصْبَحَ بِالْمُزْدَلِفَةِ أَعَادَ الدُّعَاءَ فَأُجِيبَ إِلَى مَا سَأَلَ قَالَ فَضَحِكَ رَسُولُ اللَّهِ ﷺ أَوْ قَالَ تَبَسَّمَ فَقَالَ لَهُ أَبُو بَكْرٍ وَعُمَرُ بِأَبِي أَنْتَ وَأُمِّي إِنَّ هَذِهِ لَسَاعَةٌ مَا كُنْتَ تَضْحَكُ فِيهَا فَمَا الَّذِي أَضْحَكَكَ أَضْحَكَ اللَّهُ سِنَّكَ قَالَ إِنَّ عَدُوَّ اللَّهِ إِبْلِيسَ لَمَّا عَلِمَ أَنَّ اللَّهَ ﷻ قَدِ اسْتَجَابَ دُعَائِي وَغَفَرَ لأُمَّتِي أَخَذَ التُّرَابَ فَجَعَلَ يَحْثُوهُ عَلَى رَأْسِهِ وَيَدْعُو بِالْوَيْلِ وَالثُّبُورِ فَأَضْحَكَنِي مَا رَأَيْتُ مِنْ جَزَعِهِ  

[Machine] The Messenger of Allah ﷺ called for forgiveness and mercy for his nation on the evening of Arafa. He prayed abundantly and Allah (glory be to Him) answered him saying, "I have forgiven your nation except for those who wronged one another." The Prophet ﷺ then said, "O Lord, indeed You are capable of forgiving the oppressor and giving the oppressed a better reward than what they have suffered." There was no one present at that time except for one man who smiled. The next morning, the Prophet ﷺ called for prayer at Muzdalifah and he started praying again for his nation. The Prophet ﷺ soon smiled and some of his Companions said, "O Messenger of Allah, by my father and mother, you smiled in an hour that you never smiled before. So what made you smile?" He replied, "I smiled because I saw the enemy of Allah, Iblis, when he realized that Allah has answered my supplication and forgiven the wrongdoers in my nation. He became filled with despair and started to call for destruction and hellfire upon himself, and he rubbed dirt on his head. So I smiled at what he was doing out of his despair."  

أَنَّ رَسُولَ اللهِ ﷺ دَعَا عَشِيَّةَ عَرَفَةَ لِأُمَّتِهِ بِالْمَغْفِرَةِ وَالرَّحْمَةِ فَأَكْثَرَ الدُّعَاءَ فَأَجَابَهُ اللهُ ﷻأَنْ قَدْ فَعَلْتُ وَغَفَرْتُ لِأُمَّتِكَ إِلَّا مَنْ ظَلَمَ بَعْضُهُمْ بَعْضًا فَقَالَ يَا رَبِّ إِنَّكَ قَادِرٌ أَنْ تَغْفِرَ لِلظَّالِمِ وَتُثِيبَ الْمَظْلُومَ خَيْرًا مِنْ مَظْلَمَتِهِ فَلَمْ يَكُنْ فِي تِلْكَ الْعَشِيَّةِ إِلَّا ذَا فَلَمَّا كَانَ مِنَ الْغَدِ دَعَا غَدَاةَ الْمُزْدَلِفَةِ فَعَادَ يَدْعُو لِأُمَّتِهِ فَلَمْ يَلْبَثِ النَّبِيُّ ﷺ أَنْ تَبَسَّمَ فَقَالَ بَعْضُ أَصْحَابِهِ يَا رَسُولَ اللهِ بِأَبِي أَنْتَ وَأُمِّي ضَحِكْتَ فِي سَاعَةٍ لَمْ تَكُنْ تَضْحَكُ فِيهَا فَمَا أَضْحَكَكَ أَضْحَكَ اللهُ سِنَّكَ قَالَ تَبَسَّمْتُ مِنْ عَدُوِّ اللهِ إِبْلِيسَ حِينَ عَلِمَ أَنَّ اللهَ ﷻ قَدِ اسْتَجَابَ لِي فِي أُمَّتِي وَغَفَرَ لِلظَّالِمِ أَهْوَى يَدْعُو بِالثُّبُورِ وَالْوَيْلِ وَيَحْثُو التُّرَابَ عَلَى رَأْسِهِ فَتَبَسَّمْتُ مِمَّا يَصْنَعُ جَزَعُهُ