Abu Dawud Book 2, Hadith Number 1509.Abu Dawud Book 2. Prayer Chapter : On seeking pardon and repentance. Narated By Abu Bakr as-Siddiq : The Prophet (PBUH) said: He who asks pardon is not a confirmed sinner, even if he returns to his sin seventy times a day. Related Previous Post Abu Dawud Book 2, Hadith Number 1510. Next Post Abu Dawud Book 2, Hadith Number 1508.