The characteristics of the fitrah Sahih Muslim 261b
Arabic hadith text
وَحَدَّثَنَاهُ أَبُو كُرَيْبٍ، أَخْبَرَنَا ابْنُ أَبِي زَائِدَةَ، عَنْ أَبِيهِ، عَنْ مُصْعَبِ بْنِ شَيْبَةَ، فِي هَذَا الإِسْنَادِ مِثْلَهُ غَيْرَ أَنَّهُ قَالَ قَالَ أَبُوهُ وَنَسِيتُ الْعَاشِرَةَ
Translation
This hadith has been narrated by Mus'ab b. Shaiba with the same chain of transmitters except for these words
" His father said: I forgot the tenth one."