Ahmed bin Muhammad bin Musa al-Samsar أحمد بن محمد بن موسى السمسار · The Book of Purification

"I saw the Messenger of Allah (ﷺ) performing Wudu' like I have just done." Then he said: "Whoever performs Wudu' as I have done, then stands and prays two Rak'ahs without letting his thoughts wander, his previous sins will be forgiven.'"

"When he was the governor of Al-Madinah, Marwan mentioned that a man should perform Wudu' after touching his penis, if he touches it iwth his hand. I did not like that and I said: 'The one who touches it does not have to perform Wudu'.' Marwan said: 'Busrah bint Safwan told me that she heard the Messenger of Allah (ﷺ) mention the things for which Wudu' should be performed, and the Messenger of Allah (ﷺ) said: 'Wudu' should be performed…