The Book of the Merits of the Companions
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا مُحَمَّدُ بْنُ فُضَيْلٍ، ح وَحَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، أَخْبَرَنَا جَرِيرٌ، كِلاَهُمَا عَنْ أَبِي حَيَّانَ، بِهَذَا الإِسْنَادِ . نَحْوَ حَدِيثِ إِسْمَاعِيلَ وَزَادَ فِي حَدِيثِ جَرِيرٍ " كِتَابُ اللَّهِ فِيهِ الْهُدَى وَالنُّورُ مَنِ اسْتَمْسَكَ بِهِ وَأَخَذَ بِهِ كَانَ عَلَى الْهُدَى وَمَنْ أَخْطَأَهُ ضَلَّ " .This hadith has been transmitted on the authority of Abu Hayyan but with this addition:" The Book of Allah contains right guidance, the light, and whoever adheres to it and holds it fast, he is upon right guidance and whosoever deviates from it goes astray
From Sahih Muslim, whose reports the scholars accept as authentic.