Mark Twain is an American writer, journalist, and social activist. His work covers a variety of genres - humor, satire, philosophical fiction, journalism and others, and in all these genres, he has consistently taken the position of humanist and democrat. This is the most serious, personal and sober book of Twain. He kept the book in his locked table, considered it his Bible and spoke about spiitually in front of friends when reading passages from it. This is the result of his of thoughts about people and their lives. It is written in the form of a dialog, in which the old man and the boy discuss the above-mentioned issues and represent a new perspective on who we are and how we live.