The book by the outstanding scientist of the 20th century, academician Dmitry Sergeevich Likhachev, is addressed to young readers. These are devoid of moralism and pathos, framed in the form of short letters, reflections of a kind and wise person about the need for self-development, the formation of a correct value system, getting rid of greed, envy, resentment, hatred and about cultivating love for people, understanding, empathy, courage and skill. defend your point of view. “Letters...” of Academician Likhachev will be useful to everyone who wants to learn how to make the right choice in the most difficult situations, get along with people, be in agreement with oneself and the world around them, and get great pleasure from life.