To investigate on the question of the formation of the economic magnitudes, and on the question of value seems to be pointless, since those notions appear to be understood and to fall under the scope of our daily experiment. We show in the present work that several fundamental concepts and central notions do not receive a proper definition within our discipline. As a consequence, it is all the economic discourse that is weakened, at such a point that it talks about things that, actually, do not exist, but in the economist’s mind, and do not consider its true matter. In our wage economy, value is sometimes created sometimes destructed respectively in the formation and the destruction of income. The latter is an objective magnitude in the se...