Musnad Ahmad #378

It was narrated from Hisham bin `Urwah: My father told me that Humran told him: `Uthman (رضي الله عنه) did wudoo’ in al-Balat (a paved area in Madinah) then he said, i shall tell you a hadeeth that I heard from the Messenger of Allah (ﷺ) . Were it not for a verse in the Book of Allah, I would not have told you it. I heard the Prophet (ﷺ) say: `Whoever does wudoo’ and does it well, then goes in and prays, his sins between that prayer and the next will be forgiven, until he prays .”