Invention Concept

Famous quotes containing the words invention and/or concept:

“When she asked him about birth control, he sat down beside her and talked for half an hour about what a great woman Margaret Sanger was and how birthcontrol was the greatest single blessing to mankind since the invention of fire.”
—John Dos Passos (1896–1970)

“The two most far-reaching critical theories at the beginning of the latest phase of industrial society were those of Marx and Freud. Marx showed the moving powers and the conflicts in the social-historical process. Freud aimed at the critical uncovering of the inner conflicts. Both worked for the liberation of man, even though Marx’s concept was more comprehensive and less time-bound than Freud’s.”
—Erich Fromm (1900–1980)