Sahih Muslim | Book 32 | Hadith Number 6195

Narrated by Nawwas b. Sim'an al-Ansiri
Nawwas b. Sim'an al-Ansiri reported: I asked Allah's Messenger (may peace be upon him) about virtue and vice. He said: Virtue is a kind disposition and vice is what rankles in your heart and that you disapprove that people should come to know of it.