Abu Dawud Book 36, Hadith Number 5177.
Chapter : Not known.
Narated By Mu’adh ibn Anas : (This version is same as previous No 5176 from the Prophet (PBUH), adding that): Afterwards another man came and said: Peace and Allah’s mercy, blessings and forgiveness be upon you! whereupon he said: Forty. adding: Thus are excellent qualities rewarded.