(3) باب النَّهْىِ عَنِ الْحَدِيثِ، بِكُلِّ مَا سَمِعَ
Muhammad bin ul-Muthannā narrated to us, he said I heard Abd ar-Rahman bin Mahdī saying:
'A man cannot be an Imām whose example is followed until he withholds from some of what he hears'.
Reference: Sahih Muslim Introduction 12
In-book reference: Introduction, Narration 11