This dissertation explores some aspects of homoiosis theoi, the ideal of assimilation to god propounded by Plato in several of his dialogues, particularly in the Theaetetus and in the Timaeus. In the Theaetetus, Socrates states: That is why a man should make all haste to escape from earth to heaven; and escape means becoming as like God as possible; and a man becomes like God when he becomes just and pious with understanding. The assimilation to god is thus clearly presented as an escape route, but also as a guide for moral transformation. Both aspects are considered in our work, which articulates the idea of homoiosis theoi with the evolutionary account associated with the creation myth of Timaeus. Our reading suggests that the return of the just souls to their native stars, whose possibility is affirmed by the Timaeus, could be identified as homoiosis theoi, thus constituting one of the admissible transitions in the evolutionary process described in the dialogue. The assimilation of each individual soul to god, being equivalent to its ascension for contemplating the Good, would be associated to the imperative of its descent for the moral education of society. Proving itself successful, such educational effort would lead to a collective fulfillment of homoiosis theoi: the elevation of all humankind to a communion with the stars. Thus incorporated into an evolutionary backdrop, the platonic assimilation to god proves significantly consistent with modern speculations about humankind’s cosmic role and destiny, especially with the so-called final anthropic principle. The possibility also presents itself of a comparison with human perfectibility systems based on Darwin’s evolutionary theory.