I'm not entirely sure which specific 'and seven times never kill man story' you are referring to. There could be many fictional or cultural stories with such a title or concept. It might be a very niche or local story.
The main idea might be related to resilience. Since it says 'never kill man', it could imply that there are forces or situations (maybe represented by the seven times) that try to harm or break a person but fail. It could be a story of a person's unwavering spirit in the face of adversity.
I'm not sure which specific 'and seventimes never kill man story' you are referring to. There could be many stories with various interpretations. It might be a very niche or local story that I'm not familiar with.
Perhaps it's a historical figure that the narrator has only heard stories about but never truly known personally. It could be someone who made great contributions but remained somewhat of an enigma to the narrator.
He might have used a weapon like a knife. He could have planned it carefully, waited for the right moment when they were alone, and then attacked with the knife.
The never - ending nature of the story might mean that the Nothing Man is in a constant state of flux. He may never be fully defined because the story never ends.
The 'Nothing Man' could be a character with a sense of emptiness or lack of identity within the context of this never - ending story. Maybe he represents the void or the unknowable aspects of the story's universe.