The article focuses on the depiction of grandmother in the painting "Mrs. Cassatt Reading to Her Grandchildren," by artist Mary Cassatt that was shown at the sixth Impressionist exhibition in 1881 under the title "La Lecture". It discusses the praise given by critics to the painting, the reason for misunderstandings by reviewers about the subject of the painting, and the discourse on grandparenthood and child education in the 19th century.