"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."

"Society can no longer exist as a community of free and equal individuals, but only as a mass of isolated, mutually hostile atoms, each striving to exploit the others."

"The abolition of bourgeois individuality, bourgeois independence, and bourgeois freedom is undoubtedly aimed at."

"The first great division of labour between the two sexes had for its basis simply the difference of sex, and the first class opposition that appears in history coincides with the development of the an…"

"The more a science advances, the more it is divided into separate branches, and the more these branches, in turn, are further subdivided."