Keep people from their history, and they are easily controlled.

Nothing can have value without being an object of utility.

Music is the mirror of reality.

In the domain of Political Economy, free scientific inquiry meets not merely the same enemies as in all other domains. The peculiar nature of the material it deals with, summons as foes into the field of battle the most violent, mean and malignant passions of the human breast, the Furies of private interest.

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

He who before was the money owner, now strides in front as capitalist; the possessor of labor-power follows as his laborer. The one with an air of importance, smirking, intent on business; the other hesitant, like one who is bringing his own hide to market and has nothing to expect but a hiding.

All our inventions have endowed material forces with intellectual life, and degraded human life into a material force.