Abu Huraira reported: The Messenger of Allah, peace and blessings be upon him, came to a graveyard and he said, “Peace be upon you, the abode of a people who had faith. We, if Allah wills, will join you. I love to see our brothers.” They said, “Are we not your brothers, O Messenger of Allah?” The Prophet said, “You are my companions, but our brothers are those who have yet to come.” They said, “O Messenger of Allah, how will you recognize those people from your nation who have not yet been born?” The Prophet said, “Suppose a man had horses with white blazes on their foreheads and legs, among horses that are all black. Tell me, would he not recognize his own horses?” They said, “Of course.” The Prophet said, “They will come with radiant faces, arms, and legs due to the traces of ablution. I will arrive at the fountain before them. Some people will be driven away from my fountain, just as a stray camel is driven away. I will call out: Come! Come! But then it will be said to me: These people changed themselves after you, and I will say: Be off! Be off!”
Source: Ṣaḥīḥ Muslim 249
Grade: Sahih (authentic) according to Muslim
عَنْ أَبِي هُرَيْرَةَ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَتَى الْمَقْبُرَةَ فَقَالَ السَّلَامُ عَلَيْكُمْ دَارَ قَوْمٍ مُؤْمِنِينَ وَإِنَّا إِنْ شَاءَ اللَّهُ بِكُمْ لَاحِقُونَ وَدِدْتُ أَنَّا قَدْ رَأَيْنَا إِخْوَانَنَا قَالُوا أَوَلَسْنَا إِخْوَانَكَ يَا رَسُولَ اللَّهِ قَالَ أَنْتُمْ أَصْحَابِي وَإِخْوَانُنَا الَّذِينَ لَمْ يَأْتُوا بَعْدُ فَقَالُوا كَيْفَ تَعْرِفُ مَنْ لَمْ يَأْتِ بَعْدُ مِنْ أُمَّتِكَ يَا رَسُولَ اللَّهِ فَقَالَ أَرَأَيْتَ لَوْ أَنَّ رَجُلًا لَهُ خَيْلٌ غُرٌّ مُحَجَّلَةٌ بَيْنَ ظَهْرَيْ خَيْلٍ دُهْمٍ بُهْمٍ أَلَا يَعْرِفُ خَيْلَهُ قَالُوابَلَى يَا رَسُولَ اللَّهِ قَالَ فَإِنَّهُمْ يَأْتُونَ غُرًّا مُحَجَّلِينَ مِنْ الْوُضُوءِ وَأَنَا فَرَطُهُمْ عَلَى الْحَوْضِ أَلَا لَيُذَادَنَّ رِجَالٌ عَنْ حَوْضِي كَمَا يُذَادُ الْبَعِيرُ الضَّالُّ أُنَادِيهِمْ أَلَا هَلُمَّ فَيُقَالُ إِنَّهُمْ قَدْ بَدَّلُوا بَعْدَكَ فَأَقُولُ سُحْقًا سُحْقًا
249 صحيح مسلم كتاب الطهارة باب استحباب إطالة الغرة والتحجيل في الوضوء
