إِنْ ثَبَتَ الْخَبَرُ، فَإِنِّي لَا أَقِفُ عَلَى سَمَاعِ أَبِي إِسْحَاقَ هَذَا الْخَبَرَ مِنْ عَبْدِ الرَّحْمَنِ بْنِ يَزِيدَ.
Provided that this narration is authentic, because I do not know whether Abu Ishaq heard this narration from Abdur Rahman bin Yazid or not?