The "blank slate" was an influential idea in the 20th century. Here are a few quotes indicating that: "Man has no nature," from the historian Jose Ortega y Gasset; "Man has no instincts," from the anthropologist Ashley Montagu; "The human brain is capable of a full range of behaviors and predisposed to none," from the late scientist Stephen Jay Gould.
La "tabla rasa" tuvo influencia en el siglo XX como indican estas citas: "El hombre no tiene naturaleza", del historiador José Ortega y Gasset. "El hombre no tiene instintos", del antropólogo Ashley Montagu. "El cerebro es capaz de gran cantidad de conductas y no está predispuesto a ninguna", del científico Stephen Jay Gould.