Hadith 17:38
Abu Bakr narrated to us, he said: Ibn 'Uyaynah narrated to us, from al-Zuhri, from Salim, from his father, that the Prophet (may Allah bless him and grant him peace) heard a man admonishing his brother regarding shyness (haya'). He said: "Shyness is from faith."
حدثنا أبو بكر قال حدثنا بن عيينة عن الزهري عن سالم عن أبيه أن النبي صلى الله عليه وسلم سمع رجلا يعظ أخاه في الحياء فقال الحياء من الإيمان