(5) باب فَضِيلَةِ الإِمَامِ الْعَادِلِ وَعُقُوبَةِ الْجَائِرِ وَالْحَثِّ عَلَى الرِّفْقِ بِالرَّعِيَّةِ وَالنَّهْيِ عَنْ إِدْخَالِ الْمَشَقَّةِ عَلَيْهِمْ
It has been narrated on the authority of Abu al-Aswad who said:
My father related to me that Ma'qil b. Yasir fell ill. 'Ubaidullah b. Ziyad called on him to inquire after his health. Here follows the tradition as narrated by Hasan from Ma'qil.
Reference: Sahih Muslim 142 h
In-book reference: Book 33, Hadith 31
USC-MSA web (English) reference(deprecated numbering scheme): Book 20, Hadith 4503