Source: Counterrevolution and Revolt (1972), Chapter "Nature and Revolution," in The Essential Marcuse: Selected Writings of Philosopher and Social Critic Herbert Marcuse, edited by Andrew Feenberg and ‎William Leiss, Beacon Press, 2007, pp. 240 https://books.google.it/books?id=JqoyBgAAQBAJ&pg=PA240-241

“In the most advanced areas of this civilization, the social controls have been introjected to the point where even individual protest is affected at its roots. The intellectual and emotional refusal “to go along” appears neurotic and impotent. This is the socio-psychological aspect of the political event that marks the contemporary period: the passing of the historical forces which, at the preceding stage of industrial society, seemed to represent the possibility of new forms of existence. But the term “introjection” perhaps no longer describes the way in which the individual by himself reproduces and perpetuates the external controls exercised by his society. Introjection suggests a variety of relatively spontaneous processes by which a Self (Ego) transposes the “outer” into the “inner.” Thus introjection implies the existence of an inner dimension distinguished from and even antagonistic to the external exigencies—an individual consciousness and an individual unconscious apart from public opinion and behavior. The idea of “inner freedom” here has its reality: it designates the private space in which man may become and remain “himself.” Today this private space has been invaded and whittled down by technological reality. Mass production and mass distribution claim the entire individual, and industrial psychology has long since ceased to be confined to the factory. The manifold processes of introjection seem to be ossified in almost mechanical reactions. The result is, not adjustment but mimesis: an immediate identification of the individual with his society and, through it, with the society as a whole. This immediate, automatic identification (which may have been characteristic of primitive forms of association) reappears in high industrial civilization; its new “immediacy,” however, is the product of a sophisticated, scientific management and organization. In this process, the “inner” dimension of the mind in which opposition to the status quo can take root is whittled down. The loss of this dimension, in which the power of negative thinking—the critical power of Reason—is at home, is the ideological counterpart to the very material process in which advanced industrial society silences and reconciles the opposition. The impact of progress turns Reason into submission to the facts of life, and to the dynamic capability of producing more and bigger facts of the same sort of life. The efficiency of the system blunts the individuals' recognition that it contains no facts which do not communicate the repressive power of the whole. If the individuals find themselves in the things which shape their life, they do so, not by giving, but by accepting the law of things—not the law of physics but the law of their society.”

Herbert Marcuse book One-Dimensional Man

Source: One-Dimensional Man (1964), pp. 9-11

“The higher culture of the West—whose moral, aesthetic, and intellectual values industrial society still professes—was a pre-technological culture in a functional as well as chronological sense. Its validity was derived from the experience of a world which no longer exists and which cannot be recaptured because it is in a strict sense invalidated by technological society. Moreover, it remained to a large degree a feudal culture, even when the bourgeois period gave it some of its most lasting formulations. It was feudal not only because of its confinement to privileged minorities, not only because of its inherent romantic element (which will be discussed presently), but also because its authentic works expressed a conscious, methodical alienation from the entire sphere of business and industry, and from its calculable and profitable order.”

Herbert Marcuse book One-Dimensional Man

Source: One-Dimensional Man (1964), p. 58