Synthesized answer
The provided passages do not contain information about unanswered questions within the book "Living". The passages only state that the book is titled "Lives by Plutarch" and describes its content as "Character studies comparing statesmen and generals of pre-Christian Greece and Rome" [Passage 1]. Therefore, it is not possible to identify any remaining unanswered questions based solely on this information.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Lives by Plutarch Description: Character studies comparing statesmen and generals of pre-Christian Greece and Rome.