Introduction In this paper I wish to address the topic of the relationship between spirit (or mind) and the cosmos (or world) from the perspective of Hans Jonas, who devoted some effort to clarifying the constitution of the phenomenal domain as being characterized by an a priori correlation between world and spirit/mind. In particular, I endeavour to show how, according to Jonas, the process of individuation of life and then spirit/mind is dynamically related to a pre-individual cosmic dimens...