Yohanan took a clod of dirt and threw it at him
In the middle of the today’s exposition on the details of sacrificing the Paschal lamb is an instructive story involving a tenacious but somewhat arrogant student who pursued a certain curmudgeon of a Rabbi for elucidation of all the knowledge contained in the Book of Genealogies. The notes in the
Koren Talmud indicate that the book contained the genealogies of the powerful families at the time, including some that had sordid histories and the proverbial “skeletons in the closet.” It was a book that must have only been shared with trusted scholars who would not misuse the information contained within it.