Sahih Bukhari Volume 004, Book 056, Hadith Number 690.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 56. Virtues and Merits of the Prophets (PBUH) and his Companions
Narated By Abu Masud Uqba : The Prophet said, "One of the sayings of the prophets which the people have got, is. 'If you do not feel ashamed, then do whatever you like."