What did Sasuke mean when he said that he wasnt a pure Uchiha. I thought Hashirama had told Tobirama that Sasuke was a pure Uchiha so Tobi would stop offending Sasuke. Meaning a pure breed Uchiha. Why would Sasuke say he wasnt a pure breed Uchiha? Or should I interpret "pure" as being good hearted. In that case did Hashi see someting in Sasuke that Sasuke himself doesnt see?