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.

In the battle that is philosophy all the techniques of war, including looting and camouflage, are permissible.

In truth, ideology has very little to do with 'consciousness', even supposing this term to have an unambiguous meaning. It is profoundly unconscious, even when it presents itself in a reflected form.

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

What art makes us see, and therefore gives to us in the form of 'seeing', 'perceiving' and 'feeling' (which is not the form of knowing,) is the ideology from which it is born, in which it bathes, from which it detaches itself as art, and which it alludes.

Ideology represents the imaginary relationship of individuals to their real conditions of existence.

The ultimate condition of production is therefore the reproduction of the conditions of production