An Ancient Greek philosopher whose distinctions between human activities and emphasis on observation influence Arendt's work, particularly her concepts of active and contemplative life.

A foundational Christian philosopher from late antiquity who provided Arendt with concepts of will and freedom, influencing her understanding of human capability for creation and resistance.

A modern philosopher who initiated a shift toward rationalism and subjective consciousness in philosophy, posing challenges for Arendt's views on shared judgment and political responsibility.

A Stoic philosopher who emphasized inner freedom and self-mastery, representing a shift towards personal refuge in times of political turmoil, which Arendt critically examines.

A German philosopher influential to Arendt with his work on phenomenology and existential ontology, yet also embodying the risks of philosophical withdrawal from political engagement.

An 18th-century philosopher whose critical philosophy sought to map knowledge limits and morality, admired by Arendt for linking freedom to reason while critiqued for his detachment from the world of appearances.

A Greek philosopher known for his dialogues and metaphysical ideas, important in defining Western philosophy, whose suspicion of appearances contrasts with the dialogical method that Arendt appreciates.