Hadith 2824
Sayyiduna Nawwas bin Sam'an (may Allah be pleased with him) said: I asked the Messenger of Allah (peace and blessings be upon him) about virtue and sin (evil), so he (peace be upon him) said: "Virtue is good character, and sin is that which troubles your heart and you dislike that people become aware of it."
Hadith 2825
With this chain also, the aforementioned hadith is narrated from Sayyiduna Nawas bin Sam'an, may Allah be pleased with him.