The publication of this careful edition in Spanish of the most relevant Writings of Marcel Duchamp (1887-1968) is an editorial event. José Jiménez has carried out an exhaustive task of revision and annotation of the texts, fixing the terminology for a better understanding in our language. This is a decisive question, since if today Duchamp is usually considered one of the most important artists of our time, not infrequently he is spoken of without sufficiently knowing the complexity of his work, in which the visual representation and Writing constitutes an inseparable network. Duchamp radically raised the question about the specificity of art in a world characterized by the overabundance of images, the result of the application of technique to the production of objects, communication and consumption. He taught us to see, to understand, that in the era of the technological configuration of life, artistic proposals are articulated as language games, whose senses are not immediately or directly apprehensible in visual representation.In short, Marcel Duchamp he knew how to anticipate the new horizons of art in today's world. In his work: the works, the chosen images and objects, the texts, and the unfolding of him into a female alter ego like Rrose Sélavy, are integrated into the same unit, in a highly original poetic synthesis of visualization and reflection. That is why it is essential: he has taught us to "look" in a different way, avoiding the mere superficial brightness of the sensible, challenging at its roots the aestheticism of everyday life in mass societies.