"The proletariat alone is a really revolutionary class."

"A proletarian forced to exist under such conditions is truly a being without will, without self-respect, without any sense of responsibility."

"The emancipation of women will only be possible when woman can take part in production on a large, social scale, and domestic work no longer confines her to a private sphere."

"The development of large-scale industry has not only created the classes which are revolutionary, but has also created the means of their liberation."

"In a communist society, the only way in which the family can remain in existence is by ceasing to be the economic unit of society."