The rejection of all abstract formalism. Materialism reminds every science of its real source: the world men transform. No science can, whether in its history or its object, grasp its own origins within itself or constitute itself as a closed world, exhaustively defined by internal rules. Materialism refers every science and every activity to the reality they depend on, even if this dependence is masked by a great many abstract mediations: mathematics as well as logic, aesthetics as well as ethics and politics.
Louis AlthusserOccasionally, 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
Louis AlthusserTo philosophize with open eyes is to philosophize in the dark. Only the blind can look straight at the sun.
Louis AlthusserIt is characteristic of ideology to impose self-evident facts as self-evident facts.
Louis Althusser