From Sahih Bukhari (Hadith 6120):
Narrated Abu Mas`ud:The Prophet (ﷺ) said, 'One of the sayings of the early Prophets which the people have got is: If you don't feel ashamed (from Haya': pious shyness from committing religeous indiscretions) do whatever you like." (See Hadith No 690, 691, Vol)
Reference: Bukhari 6120