"Reflections on my old shabby shirt, or advice to those who have more taste than wealth" is a philosophical work by Denis Diderot, an outstanding French educator and writer. In this book, the author reflects on the true value of things in a world where material things always come first. He urges readers to reflect on their own attitudes toward luxury, well-being, and true happiness. Through a lyrical and insightful writing style, Diderot's book creates an atmosphere of contemplation and self-discovery. "Reflections on my old dressing-gown" is a piece that makes you think about the essence of life and your own values.