حَدَّثَنَا عَلِيُّ بْنُ حُجْرٍ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ جَعْفَرٍ، حَدَّثَنِي ثَوْرُ بْنُ زَيْدٍ الدِّيلِيُّ، عَنْ أَبِي الْغَيْثِ، عَنْ أَبِي هُرَيْرَةَ، قَالَ كُنَّا عِنْدَ رَسُولِ اللَّهِ صلى الله عليه وسلم حِينَ أُنْزِلَتْ سُورَةُ الْجُمُعَةِ فَتَلاَهَا فَلَمَّا بَلَغَ ‏:‏ ‏(‏ وآخَرِينَ مِنْهُمْ لَمَّا يَلْحَقُوا بِهِمْ ‏)‏ قَالَ لَهُ رَجُلٌ يَا رَسُولَ اللَّهِ مَنْ هَؤُلاَءِ الَّذِينَ لَمْ يَلْحَقُوا بِنَا فَلَمْ يُكَلِّمْهُ ‏.‏ قَالَ وَسَلْمَانُ الْفَارِسِيُّ فِينَا ‏.‏ قَالَ فَوَضَعَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَدَهُ عَلَى سَلْمَانَ فَقَالَ ‏"‏ وَالَّذِي نَفْسِي بِيَدِهِ لَوْ كَانَ الإِيمَانُ بِالثُّرَيَّا لَتَنَاوَلَهُ رِجَالٌ مِنْ هَؤُلاَءِ ‏"‏ ‏.‏ قَالَ هَذَا حَدِيثٌ حَسَنٌ وَقَدْ رُوِيَ مِنْ غَيْرِ وَجْهٍ عَنْ أَبِي هُرَيْرَةَ عَنِ النَّبِيِّ صلى الله عليه وسلم ‏.‏ وَأَبُو الْغَيْثِ اسْمُهُ سَالِمٌ مَوْلَى عَبْدِ اللَّهِ بْنِ مُطِيعٍ مَدَنِيٌّ ‏.‏

Narrated Abu Hurairah: "We were with the Messenger of Allah (PBUH) when Surat Al-Jumu'ah was revealed, so he recited it until he reached: 'And others among them who have not yet joined them (62:3).' A man said to him: 'O Messenger of Allah! Who are these people who have not yet joined us?' But he did not say anything to him." He said: "Salman Al-Farisi was among us." He said: "So the Messenger of Allah (PBUH) placed his hand upon Salman and said: 'By the One Whose Hand is my soul! If faith were on Pleiades then men among these people would reach it.'" Translation Not Available

Book Ref: Jamiya Tirmidhi Book 49 Hadith 3933
Web Ref:  Jamiya Tirmidhi Vol 1 Book 46 Hadith 3933