Burayda bin al-Husayb · The Book of Purification

"The Messenger of Allah (ﷺ) used to perform Wudu' for every prayer. One the day of the Conquest (of Makkah), he offered all the prayers with one Wudu'. 'Umar said to him: 'You have done something that you never did before.' He said: 'I did that deliberately, O 'Umar.'"