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

The more a ruling class is able to assimilate the most prominent men of a ruled class, the more solid and dangerous its rule.

Art is always and everywhere the secret confession, and at the same time the immortal movement of its time.

The education of all children, from the moment that they can get along without a mother's care, shall be in state institutions.

Change the economic base and you will change human beings.

The traditions of the dead generations weigh like a nightmare upon the living.

In the national struggles of the proletarians of the different countries, they point out and bring to the front the common interest of the entire proletariat, independently of all nationality.