The product of mental labor — science — always stands far below its value, because the labor-time necessary to reproduce it has no relation at all to the labor-time required for its original production.
Bio: Isidora Dolores Ibárruri Gómez known as "La Pasionaria" was a Spanish Republican heroine of the Spanish Civil War and communist politician of Basque origin, known for her famous slogan ¡No Pasarán! during the Battle for Madrid in November 1936.