WHAT MEN LIVE BY AND OTHER TALES by Leo Tolstoy is a collection of stories that explore themes of love, compassion, and the importance of doing the right thing at the right time. The book begins with a series of quotes from the Bible, emphasizing the importance of love and compassion in one's actions. Through the experiences of the characters in the stories, readers are encouraged to reflect on their own values and actions, and consider what truly matters in life.