Ibn Ishaq محمد بن إسحاق بن يسار‎ · The Book on Purification

"The Prophet prohibited us from facing the Qiblah while urinating. Then i saw him facing it a year before he died."

'I heard Allah's Messenger saying: 'If it were not that it would be difficult on my nation then, I would have ordered them to use the Siwak for each prayer and to delay the Isha prayer until the third of the night.'"He said: Zaid bin Khalid wouId attend the prayer in the Masjid and his Siwak would be on his ear in the location of the pen on the ear of a writer. He would not get up to pray…

"The Prophet would perform wudu for every Salat, whether he was in state of purity or not in a state of purity."

"I heard AlIah's Messenger while he was being asked about water in open areas of the land, and predators and beasts come to it." He said: 'So Allah's Messenger said: 'When the water is two Qullah it does not carry filth.'"

"I suffered from a severe and troubling case of Al-Madhi. I was performing Ghusl often because of it. So I mentioned that to Allah's Messenger and asked him about it. He said: "You only need to perform Wudu for that." I said: "O Messenger of Allah! How about when it gets on my clothes?" He said: "It is sufficient for you to take a handful of water and sprinkle it n your garment wherever you see that it has touched…