Sufyan bin 'Uyaynah سفيان بن عيينة · The Book of Leading the Prayer (Al-Imamah)

"I heard the Messenger of Allah (ﷺ) say: 'When any one of you visits some people,he should not lead them in prayer."'

"The Iqamah for prayer was said and the people stood in rows, and the Messenger of Allah (ﷺ) came out. Then when he stood in the place where he prayed, he remembered that he had not performed Ghusl. He said to the people: 'Stay where you are.' Then he went back to his house, then he came out with his head dripping with water. He performed Ghusl while we were standing in our rows."

"I stand in prayer, then I hear a child crying, so I make my prayer brief, because I do not want to cause hardship for his mother."

"When the Messenger of Allah (ﷺ) became seriously ill, Bilal came to tell him it was time to pray and he said: 'Tell Abu Bakr to lead the people in prayer."' She said: "I said: '0 Messenger of Allah (ﷺ), Abu Bakr is a tender-hearted man, and when he stands in your place he will not be able to make the people hear his voice; why don't you tell 'Umar (to do it)?' He said: 'Tell a Abu Bakr to…

"Whoever would like to meet Allah tomorrow as a Muslim, let him regularly attend these five (daily) prayers whenever the call for them is given (that in the mosques), for Allah prescribed for His Prophet the ways of guidance, and they (the prayers) are part of those ways of guidance. I do not think that there is anyone among you who does not have a place where he prays in his house. But if you were to pray in your…

"0 Messenger of Allah (ﷺ), there are many (dangerous) pests and wild animals in Al-Madinah." He said: "Can you hear (the words) 'Come prayer, come to prosperity'?" He said "Yes." He said: "Then be quick to respond," and he did not grant him a dispensation.