Sahih al-Bukhari #1610 · Hajj (Pilgrimage)

Sahih al-BukhariZaid bin Aslam that his father said
Sahih al-Bukhari · Book 25 · Hajj (Pilgrimage)
Sahih al-Bukhari · كتاب 25 · كتاب الحج
"I saw 'Umar bin Al-Khattab kissing the Black Stone and he then said, (to it) 'Had I not seen Allah's Apostle kissing you, (stone) I would not have kissed you
حَدَّثَنَا أَحْمَدُ بْنُ سِنَانٍ، حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ، أَخْبَرَنَا وَرْقَاءُ، أَخْبَرَنَا زَيْدُ بْنُ أَسْلَمَ، عَنْ أَبِيهِ، قَالَ رَأَيْتُ عُمَرَ بْنَ الْخَطَّابِ ـ رضى الله
عنه ـ قَبَّلَ الْحَجَرَ وَقَالَ لَوْلاَ أَنِّي رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم قَبَّلَكَ مَا قَبَّلْتُكَ‏.‏
Reference : Sahih al-Bukhari 1610In-book reference : Book 25, Hadith 96