Socialism is practical, in the best sense of the term; a living, vital force of inestimable value to society.

He is regarded as the forefather of the idea of revolutionary industrial unionism and was the leading figure in the Socialist Labor Party of America from 1890 until the time of his death. Daniel DeLeon (December 14 1852 – May 11 1914) was an American socialist newspaper editor politician Marxist theoretician and trade union organizer.