Antonio Labriola,
Essays on the Materialistic Conception of History
“ It is the change of society in its economic structure; it is the formation of the proletariat in the bosom of the great industry and of the modern state. It is the appearance of the proletariat upon the political scene,—it is the new things, in fine, which have engendered the need of new ideas. Thus critical communism is neither moralizer, nor preacher, nor herald, nor utopian—it already holds the thing itself in its hands and into the thing itself it has put its ethics and its idealism. ”
