Virtues and Merits of the Prophet (pbuh) and his Companions
حَدَّثَنَا أَبُو عَاصِمٍ، عَنْ عُمَرَ بْنِ سَعِيدِ بْنِ أَبِي حُسَيْنٍ، عَنِ ابْنِ أَبِي مُلَيْكَةَ، عَنْ عُقْبَةَ بْنِ الْحَارِثِ، قَالَ صَلَّى أَبُو بَكْرٍ ـ رضى الله عنه ـ الْعَصْرَ، ثُمَّ خَرَجَ يَمْشِي فَرَأَى الْحَسَنَ يَلْعَبُ مَعَ الصِّبْيَانِ، فَحَمَلَهُ عَلَى عَاتِقِهِ وَقَالَ بِأَبِي شَبِيهٌ بِالنَّبِيِّ لاَ شَبِيهٌ بِعَلِيٍّ. وَعَلِيٌّ يَضْحَكُ.Narrated `Uqba bin Al-Harith:(Once) Abu Bakr offered the `Asr prayer and then went out walking and saw Al-Hasan playing with the boys. He lifted him on to his shoulders and said, " Let my parents be sacrificed for your sake! (You) resemble the Prophet (ﷺ) and not `Ali," while `Ali was smiling
From Sahih al-Bukhari, whose reports the scholars accept as authentic.