"thirty days": What is the nature of these (thirty days)? We are hereby taught that they mourned him for thirty days before his death. And whence is it derived that the days of Naziritism are thirty? It is written here "days" and elsewhere, (in respect to Naziritism, Bamidbar 6:4) "days." Just as "days" here is thirty, so, "days" there is thirty.
(Ibid. 9) "And Joshua the son of Nun was full of the spirit of wisdom": Why? "for Moses had placed his hands upon him": There is no obedience greater than this.