31 - And Muhammad informed us, saying: Waki' said, on the authority of Sufyan, on the authority of Mansur, on the authority of Hilal ibn Yasaf, on the authority of Nu'aym ibn Dhi Hubab, on the authority of Fadalah ibn 'Ubayd al-Ansari, who said: "Three are among the calamities, and the third is: an Imam (leader) who, if you do good, he does not thank you, and if you do evil, he does not forgive you."