Sahih al-Bukhari #3718 · Companions of the Prophet

Sahih al-BukhariMarwan bin Al-Hakam
Sahih al-Bukhari · Book 62 · Companions of the Prophet
Sahih al-Bukhari · كتاب 62 · كتاب فضائل أصحاب النبي ﷺ
While I was with 'Uthman, a man came to him and said, "Appoint your successor." 'Uthman said, "Has such successor been named?" He replied, "Yes, Az-Zubair." 'Uthman said, thrice, "By Allah! Indeed you know that he is the best of you
حَدَّثَنِي عُبَيْدُ بْنُ إِسْمَاعِيلَ، حَدَّثَنَا أَبُو أُسَامَةَ، عَنْ هِشَامٍ، أَخْبَرَنِي أَبِي، سَمِعْتُ مَرْوَانَ، كُنْتُ عِنْدَ عُثْمَانَ، أَتَاهُ رَجُلٌ فَقَالَ اسْتَخْلِفْ‏.‏ قَالَ وَقِيلَ ذَاكَ قَالَ نَعَمْ، الزُّبَيْرُ‏.‏ قَالَ أَمَا وَاللَّهِ إِنَّكُمْ لَتَعْلَمُونَ أَنَّهُ خَيْرُكُمْ‏.‏ ثَلاَثًا‏.‏
Reference : Sahih al-Bukhari 3718In-book reference : Book 62, Hadith 66