alkafi-15050Vol. 8, p. 230
كُنْتُ مَعَ الرِّضَا ع فِي سَفَرِهِ إِلَى خُرَاسَانَ فَدَعَا يَوْماً بِمَائِدَةٍ[1] لَهُ فَجَمَعَ عَلَيْهَا مَوَالِيَهُ مِنَ السُّودَانِ وَ غَيْرِهِمْ فَقُلْتُ جُعِلْتُ فِدَاكَ لَوْ عَزَلْتَ لِهَؤُلَاءِ مَائِدَةً فَقَالَ مَهْ إِنَّ الرَّبَّ تَبَارَكَ وَ تَعَالَى وَاحِدٌ وَ الْأُمَّ وَاحِدَةٌ وَ الْأَبَ وَاحِدٌ وَ الْجَزَاءَ بِالْأَعْمَالِ.
I was with Al-Ridha (asws) in his (asws) journey to Khurasan. One day he (asws) called for the spread (for a meal) to be set up for him (asws). So there gathered around him (asws) his (asws) black friends and others. So I said, ‘May I be sacrificed for you (asws), if you (asws) could isolate the spread for these people