All social rules and all relations between individuals are eroded by a cash economy, avarice drags Pluto himself out of the bowels of the earth.

Landlords, like all other men, love to reap where they never sowed.

We know only a single science, the science of history. History can be contemplated from two sides, it can be divided into the history of nature and the history of mankind. However, the two sides are not to be divided off; as long as men exist the history of nature and the history of men are mutually conditioned.

The unity of the bourgeoisie can be shaken only by the unity of the proletariat.

Be aware that the reward for labour, and quantity of labour, are quite disparate things.

Religion is the impotence of the human mind to deal with occurrences it cannot understand.

By the aristocracy of finance must here be understood not merely the great loan promoters and speculators in public funds, in regard to whom it is immediately obvious that their interests coincide with the interests of the state power. All modern finance, the whole of the banking business, is interwoven in the closest fashion with public credit.