سَهْلُ بْنُ زِيَادٍ عَنْ بَعْضِ أَصْحَابِنَا أَنَّهُ كَرِهَ الْكُلْيَتَيْنِ وَ قَالَ إِنَّمَا هُمَا مَجْمَعُ الْبَوْلِ .
6. Sahl ibn Ziyad has narrated from certain persons of our people who have said the following: “He (the Imam) , disliked the kidneys and said that they are the collectors of urine.’” 