Louis Althusser

To philosophize with open eyes is to philosophize in the dark. Only the blind can look straight at the sun.

Occasionally, the whole class struggle may be summed up in the struggle for one word against another word. Certain words struggle amongst themselves as enemies. Other words are the site of an ambiguity: the stake in a decisive but undecided battle

It is characteristic of ideology to impose self-evident facts as self-evident facts.

Relations of production are first reproduced by the materiality of the processes of production and circulation. But it should not be forgotten that ideological relations are immediately present in these same processes.

Philosophy is, in the last instance, class struggle in the field of theory.