Capitalist production, therefore, develops technology, and the combining together of various processes into a social whole, only by sapping the original sources of all wealth - the soil and the labourer.

The production of too many useful things results in too many useless people.

Men can see nothing around them that is not their own image; everything speaks to them of themselves. Their very landscape is alive.

Natural science will in time incorporate into itself the science of man, just as the science of man will incorporate into itself natural science: there will be one science.

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

The executive of the modern state is but a committee for managing the common affairs of the whole bourgeoisie.

Both for the production on a mass scale of this communist consciousness, and for the success of the cause itself, the alteration of men on a mass scale is necessary, an alteration which can only take place in a practical movement, a revolution; this revolution is necessary, therefore, not only because the ruling class cannot be overthrown in any other way, but also because the class overthrowing it can only in a revolution succeed in ridding itself of all the muck of ages and become fitted to found society anew.