As long as we place in opposition, with no mediator, the For Itself and the In Itself, and fail to perceive, between ourselves and the world, this natural foreshadowing of a subjectivity, this prepersonal time which rests upon itself, acts are needed to sustain the upsurge of time, and everything becomes equally a matter of choice, the respiratory reﬂex no less than the moral decision, conservation no less than creation.