All our inventions have endowed material forces with intellectual life, and degraded human life into a material force.

The theory of Communism may be summed up in one sentence: Abolish all private property.

Men's ideas are the most direct emanations of their material state.

The meaning of peace is the absence of opposition to socialism.

A heavy or progressive or graduated income tax is necessary for the proper development of Communism.

The English Established Church... will more readily pardon an attack on 38 of its 39 articles than on 1/39 of its income.

In communist society, where nobody has one exclusive sphere of activity but each can become accomplished in any branch he wishes, society regulates the general production and thus makes it possible for me to do one thing today and another tomorrow, to hunt in the morning, fish in the afternoon, rear cattle in the evening, criticize after dinner, just as I have a mind, without ever becoming hunter, fisherman, shepherd or critic.