The foundational text of Neoplatonism. Plotinus' fifty-four treatises, arranged by his student Porphyry into six groups of nine, explore the nature of reality from the material world up through Soul and Intellect to the ineffable One — a philosophical system of extraordinary depth and beauty that shaped Christian, Jewish, and Islamic thought for over a millennium.
Start ReadingNine treatises on ethical and practical topics. Plotinus examines happiness, virtue, dialectic, beauty, and the relationship of the soul to the body — the "lowest" level of his philosophical system, concerned with the soul's life in the material world.
Nine treatises on the physical world and its relationship to Soul. Plotinus examines the heavens, matter, potentiality, and why the Soul descended into bodies — the level of nature and cosmic order.
Nine treatises on the nature and destiny of the Soul. Plotinus examines providence, fate, the eternity of the soul, time versus eternity, and the contemplative life — the central level of his philosophical system.
Nine treatises on Intellect (Nous) and the intelligible world. Plotinus examines Being, the categories of the intelligible, and how the One generates Intellect — ascending toward the highest principles of reality.
Nine treatises on Intellect, Being, and the One. Plotinus examines the nature of thinking, the relationship between Intellect and its objects, and the transition from multiplicity to the absolute unity of the One.
Nine treatises on the One and the Good. The highest level of Plotinus' system — he examines the absolute simplicity of the first principle, the nature of freedom, beauty, and the soul's mystical ascent to union with the One.