Ancient Greek and Roman · c. 250 CE
Neoplatonism
Overview
All things flow from one simple source, beauty is form shining through matter and the soul finds its way back by turning inward.
Neoplatonism is the name later scholars gave to the philosophy of Plotinus, who taught in Rome in the third century CE, and of the thinkers who followed him, such as Porphyry and Proclus. Plotinus read himself as an interpreter of Plato, but he built a new picture of reality as a series of levels flowing from a single source.
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At the top is the One, so simple that nothing can be said of it. From it comes Intellect, the realm of the Forms, and from Intellect comes Soul, which gives life and order to the world. Each level flows from the one above as light flows from the sun, without loss to the source. Beauty is form shining through matter, and evil is a lack of good rather than a power of its own. The soul’s task is to turn inward and return toward the source.
The school shaped much of what came after. Augustine read the Platonists before his conversion, Boethius wrote in their spirit and Islamic philosophers knew Plotinus through an Arabic paraphrase. Critics ask whether a One beyond all description can explain anything. The habit worth keeping is to look for the unity behind scattered things, and to shape yourself toward what you want to see.
Where it answers
What is beautiful?
Beauty is the One shining through things, and to see it the soul must grow beautiful itself.
What is real?
Everything flows from a single source, the One, and the soul can climb back toward it.
Key terms
- The One
- The simple, ultimate source of all reality, beyond being and thought.
- Intellect (nous)
- The second level of reality: thought thinking the Forms.
- Soul
- The third level, which gives life to the world and to each living thing.
- Emanation
- Reality flowing out from the One, like light from the sun.
- Return
- The soul’s journey back to the One through virtue and contemplation.
Further reading
- Enneads · Plotinus
- Porphyry, Life of Plotinus
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Quest2Reason. “Neoplatonism.” https://quest2reason.com/learn/ideas/neoplatonism. Accessed 13 November 2026.