 Past events bear no other meaning than the one given by a subject, in agreement with the free project that orients his or her existence towards the future. Conversely, determinist explanations that construe one’s present as a mere consequence of the past proceed from a kind of self-delusion that operates by concealing one’s free project, and thus contributes to the obliteration of responsibility. Sartre hence seeks to redefine the scope of psychoanalysis: rather than a proper explanation of human behaviour that relies on the identification of the laws of its causation, psychoanalysis consists in understanding the meaning of our conducts in light of one’s project of existence and free choice. One might wonder, then, why we need any such psychoanalysis, if the existential project that constitutes its object is freely chosen by the subject. Sartre addresses this objection in Being and Nothingness, claiming that 