Hadith #249The Book of Purification and its Sunnah · Narrated by Abu Hurairah, al-Walid bin Muslim al-Quraishi الوليد بن مسلم القرشي, al-Zuhri ابن شهاب الزهري, محمد بن مسلم, Muhammad bin Wahb bin 'Atiyya محمد بن وهب بن عطية, Muhammad bin Yahya bin Hiban محمد بن يحيى بن حبان, Salman al-Aghar Abu 'Abdullah سلمان الأغر أبو عبد الله
“The Messenger of Allah said: ‘No ablution (is needed) unless there is an odor or a sound.'”