"The abolition of the family! Even the most radical flare up at this infamous proposal of the Communists."

"The abolition of private property is therefore by no means the result of an arbitrary act of will, but the necessary result of the development of the productive forces."

"The whole of human history is a process of development from the lower to the higher, from the simple to the complex."

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

"All that is solid melts into air, all that is holy is profaned, and man is at last compelled to face with sober senses his real conditions of life, and his relations with his kind."