Muwatta Malik

Yahya related to me from Malik from Nafi from Aslam, the mawla of Umar ibn al Khattab, that Umar ibn al-Khattab discovered the smell of perfume while he was at ash-Shajara, and he asked, ""Who is this smell of perfume coming from?"" Muawiya ibn Abi Sufyan answered, ""From me, amir al-muminin."" Umar said, ""From you? By the life of Allah!"" Muawiya explained, ""Umm Habiba perfumed me, amir al-muminin. ""'Umar then said, ""You must go back and wash it off