وَالْبَيَانُ أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَدْ حَجَّ قَبْلَ هِجْرَتِهِ إِلَى الْمَدِينَةِ لَا كَمَا مَنْ طَعَنَ فِي هَذَا الْخَبَرِ، وَادَّعَى أَنَّ هَذَا الْخَبَرَ لَمْ يَرْوِهِ غَيْرُ زَيْدِ بْنِ الْحُبَابِ
And the explanation that the Prophet Muhammad (peace be upon him) performed Hajj even before the migration to Madinah. Contrary to the opinion of that scholar who criticized the authenticity of this hadith and claimed that only Zaid bin Hubab narrates this hadith (and he is weak in narrating from Imam Thawri).