Abu Dawud Book 2, Hadith Number 921.Abu Dawud Book 2. Prayer Chapter : Not known. Narated By AbuHurayrah : The Prophet (PBUH) said: Kill the two black things during prayer, the snake and scorpion. Related Previous Post Abu Dawud Book 2, Hadith Number 922. Next Post Abu Dawud Book 2, Hadith Number 918.