About the book: year / "...none of the representatives of living scientific views thinks of elevating each of the folk tales or songs to the ideal of grace and depth of thought, just as just as no one admires the smoking huts and rags of the common people. But the point is to have as complete and clear a visual understanding as possible about these chicken huts and rags, about these empty cabbage soup and rotten bread. Without knowledge of this, no improvement in people's life is possible: we will make the most senseless nonsense if we decide to instill our gastronomic habits in a half-starved poor man, if we begin to bother for him about some of the refinements of haberdashery life, which are necessary for us, but for him are not at all necessary and incomprehensible…»