In the thirteenth volume of the collected works of the Mother, from the point of view of Sri Aurobindo's integral Yoga, fundamental issues of upbringing, training, education of the human personality in the most important areas of its development are considered. Much attention is also paid to the most diverse features of the growth and personality formation of children and adolescents. The book will also be useful to everyone who is independently engaged in improving their being. A characteristic feature of a number of the main articles of the book is the absence of special Yoga terminology, which makes their content accessible to all those interested in pedagogical topics.