If you're in New York these days I'd strongly encourage you to visit the amazing display of original gelatin silver prints, letters and notes by Henri Cartier-Bresson at ICP, a true inspiration on on the photographer's journey towards mastering this form of art. "The Decisive Moment" is the title of this exhibit and the the book with illustrations by Henri Matisse, originally titled "Images à la Sauvette" (Images On the Run), published in France in 1952, the book’s preface opens with a quote by Cardinal de Retz: “There is nothing in this world that does not have a decisive moment.” In the text, Henri Cartier-Bresson describes his conception of photography briefly, but touching all its key aspects (color, technique, composition, sequence, etc.).