For the second, West Pahlavi literature G.I. Ph. For the third, in Pahlavi verse West 113. For Musalman times see Schefer Chrestomathy 3-6 and Salemann and Zukovski, Persian Grammar page 41-49. Also compare Melanges Asiatiques IX, 215. In Arabic Anthologies especially of the character of what is known as Furstenspiegel the maxims of this wise Wazir are very frequently quoted.