What is to be determined is not the pathological or police category that was targeted, which would be to suppose that alienation pre existed exclusion, but to understand instead how the gesture was accomplished, ie the operations which together, in their equilibrium, composed its totality, and the diverse horizons from which those who suffered the same exclusion originated, to investigate how men of the classical age experienced themselves at the moment when familiar faces began to become strange, and lose their resemblance with that image.