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

Let the ruling classes tremble at a communist revolution. The proletarians have nothing to lose but their chains. They have a world to win. Workingmen of all countries, unite!
Karl Marx

Machines were, it may be said, the weapon employed by the capitalists to quell the revolt of specialized labor.
Karl Marx

Medicine heals doubts as well as diseases.
Karl Marx

Men's ideas are the most direct emanations of their material state.
Karl Marx

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.
Karl Marx

Necessity is blind until it becomes conscious. Freedom is the consciousness of necessity.
Karl Marx

Nothing can have value without being an object of utility.
Karl Marx

On a level plain, simple mounds look like hills; and the insipid flatness of our present bourgeoisie is to be measured by the altitude of its great intellects.
Karl Marx

Reason has always existed, but not always in a reasonable form.
Karl Marx

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

Religion is the opium of the masses.
Karl Marx

Religion is the sigh of the oppressed creature, the heart of a heartless world, and the soul of soulless conditions. It is the opium of the people.
Karl Marx

Revolutions are the locomotives of history.
Karl Marx

Social progress can be measured by the social position of the female sex.
Karl Marx

Society does not consist of individuals but expresses the sum of interrelations, the relations within which these individuals stand.
Karl Marx

The country that is more developed industrially only shows, to the less developed, the image of its own future.
Karl Marx

The development of civilization and industry in general has always shown itself so active in the destruction of forests that everything that has been done for their conservation and production is completely insignificant in comparison.
Karl Marx

The English have all the material requisites for the revolution. What they lack is the spirit of generalization and revolutionary ardour.
Karl Marx

The first requisite for the happiness of the people is the abolition of religion.
Karl Marx