Do not be deluded by the abstract word Freedom. Whose freedom? Not the freedom of one individual in relation to another, but freedom of Capital to crush the worker.

Free education for all children in public schools... Combination of education with industrial production

Private property has made us so stupid and one-sided that an object is only ours when we have it

...the first step in the revolution by the working class, is to raise the proletariat to the position of ruling class, to win the battle for democracy.

Greek philosophy seems to have met with something with which a good tragedy is not supposed to meet, namely, a dull ending.

Once the inner connection is grasped, all theoretical belief in the permanent necessity of existing conditions collapses before their collapse in practice -- Letter to Ludwig Kugelmann (July 11, 1868)

While the miser is merely a capitalist gone mad, the capitalist is a rational miser.