Sahih Bukhari

Narrated Abu As-Sawar Al-Adawi:`Imran bin Husain said: The Prophet (ﷺ) said, ""Haya' (pious shyness from committing religeous indiscretions) does not bring anything except good."" Thereupon Bashir bin Ka`b said, 'It is written in the wisdom paper: Haya' leads to solemnity; Haya' leads to tranquility (peace of mind)."" `Imran said to him, ""I am narrating to you the saying of Allah's Messenger (ﷺ) and you are speaking about your paper (wisdom book)?