Source Library provides the primary texts — we are not affiliated with SHWEP.
Episode 87·March 18, 2020·roman

Numerical Mysteries: Nichomachus of Gerasa, Arithmology, and Second-Century Neopythagoreanism

In this episode we pick up some dangling threads from the Neopythagorean ‘tradition’ (which is more of an idea of a tradition than a tradition, but one which then became such a strong idea of a tradition that it became a tradition, if you see what we mean), discussing the intriguing first-century...

Listen on SHWEP19 sources in collection · 19 translated

Primary Sources

Vat.gr.243

Porphyry; Aristotle · 1300 · Greek · 707 pages

This manuscript acts as a master class in the anatomy of language and existence. It moves from simple definitions of genus and species to the complex machinery of modal syllogisms. By analyzing how we predicate properties to subjects, the text forces the reader to confront the limits of human knowle

Fully translated

Philosophical and Literary Miscellany

· 1350 · Greek · 209 pages

Vat.gr.2181 is a multi-layered interrogation of the Greek soul, weaving together the technical precision of poetic metrics with the subversive chaos of Old Comedy. Through the works of Aristophanes and the reflections of Porphyry, the manuscript explores the corrupting influence of money on the poli

Fully translated

Hieroclis Expositio versuum Pythagorae qui aurei dicuntur . Hermes Trismegistus . Adde etiam Hermes Trismegistus, Apuleio interprete

Hierocles; Hermes Trismegistus · 1450 · Greek · 256 pages

Hierocles provides a rigorous manual for navigating the soul's ascent from material distraction to intellectual clarity. He argues that human suffering is not a divine punishment but a result of our own misalignment with natural law. By practicing nightly self-examination, we can transform the body

Fully translated

Problemata (Problems)

Pseudo-Aristotle · 1450 · Greek · 420 pages

In this extraordinary synthesis of Neoplatonic philosophy and ancient medical praxis, Iamblichus presents the human body as a microcosm governed by the same harmonic principles as the stars. Moving beyond simple biography, the text offers a 'regimen according to reason,' tackling everything from the

Fully translated

On Abstinence from Animal Food

Porphyry · 1547 · Latin · 217 pages

In this seminal Neoplatonist treatise, Porphyry argues that the consumption of meat is a spiritual anchor that binds the human soul to material distraction. By refuting the anthropocentric claims of the Stoics and Epicureans, he posits that animals possess reason, sensation, and a share in the 'comm

Fully translated

On the Mysteries (De Mysteriis)

Iamblichus / Marsilio Ficino · 1570 · Latin · 558 pages

This volume presents the definitive Neoplatonic defense of ritual as a tool for spiritual transformation. It shifts the focus from mere intellectual debate to the practical application of sacred symbols. Iamblichus posits that man exists as a unique bridge between the material and the eternal. The t

Fully translated

Life of Pythagoras and Sentences on the Intelligibles

Porphyry (ed. Lucas Holstenius) · 1630 · Latin · 219 pages

Porphyry’s 'Life of Pythagoras and Sentences on the Intelligibles' offers a rare window into the ancient quest for spiritual deification through intellect and discipline. By blending a hagiography of Pythagoras—complete with his rejection of the 'impure' Cylon and his cryptic dietary bans—with a rig

Fully translated

Life of Pythagoras with Symbols and Golden Verses (Hierocles Commentary)

André Dacier; Nicholas Rowe (trans.) · 1707 · English · 462 pages

André Dacier and Hierocles offer a manual for the soul that refuses to tolerate intellectual laziness. They argue that the wisdom of Pythagoras is the bedrock of Western thought and a necessary precursor to Christian revelation. By stripping away centuries of historical gossip, they present a philos

Fully translated

The Kiranides (Kirani Kiranides)

Kiranus (Rivinus ed.) · 1709 · Latin · 220 pages

The Kirani Kiranides stands as a breathtaking intersection of ancient natural philosophy and ritual magic, offering a glimpse into a time when the physical and spiritual realms were inextricably linked. This edition, enriched by the philological rigor of Rivinus and Rhyakinus, catalogs the medicinal

Fully translated

On the Pythagorean Life (De Vita Pythagorica)

Iamblichus; M.T. Kiessling (ed.) · 1815 · Greek/Latin · 601 pages

This work presents Pythagoras not merely as a mathematician, but as a semi-divine reformer who sought to align human life with the order of the cosmos. It details a rigorous path of purification through music, diet, and strict communal ethics. Readers will encounter a tradition that treats education

Fully translated

On the Pythagorean Life

Iamblichus · 1815 · Greek/Latin · 415 pages

This expansive 1815 collection serves as the definitive gateway to the Pythagorean tradition, weaving together the biographies of Iamblichus and Porphyry with profound scholarly commentary. Readers will encounter a Pythagoras who is part scientist and part shaman—a man who disciplined his soul throu

Fully translated

The Theology of Arithmetic

Iamblichus / Nicomachus (ed. Friedrich Ast) · 1817 · Greek · 367 pages

In this profound synthesis of Pythagorean and Platonic thought, edited by Friedrich Ast, mathematics is reclaimed from the realm of 'logistics' and elevated to a sacred theology. The text argues that numbers are not mere human inventions but the eternal, immaterial blueprints—the 'pre-existent sketc

Fully translated

Life of Pythagoras (Iamblichus)

Iamblichus; Thomas Taylor (trans.) · 1818 · English · 356 pages

In this classic translation by Thomas Taylor, Iamblichus presents Pythagoras as a semi-divine figure whose 'Pythagoric Life' serves as a blueprint for human excellence. The text moves beyond simple biography to synthesize ancient mysteries from Egypt and Babylon with a rigorous ethical framework tha

Fully translated

Select Works of Porphyry

Porphyry · 1823 · English · 299 pages

Select Works of Porphyry offers a rigorous and poetic manual for spiritual transcendence that remains strikingly relevant today. Porphyry presents a radical defense of 'ethical vegetarianism,' arguing that the slaughter of animals is historically and spiritually linked to human warfare and moral dec

Fully translated

Pistis Sophia

Petermann (ed.) · 1851 · Latin · 695 pages

The 'Pistis Sophia' is a profound 4th-century Gnostic gospel that challenges traditional narratives, presenting a transfigured Jesus who reveals 'higher mysteries' to disciples like Mary Magdalene and Martha. This edition, meticulously preserved by scholars like Petermann and Woide, serves as a gate

Fully translated

Introduction to Arithmetic

Nicomachus of Gerasa · 1866 · Greek/Latin · 228 pages

Nicomachus of Gerasa’s 'Introduction to Arithmetic' is a profound synthesis of mathematical rigor and Pythagorean mysticism that served as the primary textbook for higher education from Late Antiquity through the Middle Ages. Nicomachus boldly asserts that arithmetic is the ontologically prior 'moth

Fully translated

On Numenius the Platonic Philosopher

Numenius of Apamea (ed. Friedrich Thedinga) · 1875 · Latin · 77 pages

Friedrich Thedinga’s dissertation reconstructs the thought of Numenius, a philosopher who dared to label Plato as Moses speaking in Attic Greek. The text critiques the historical corruption of the Platonic Academy and establishes a rigorous hierarchy of three distinct gods. Readers will encounter a

Fully translated

Three Short Works (including Life of Pythagoras)

Porphyry; August Nauck (ed.) · 1886 · Greek · 278 pages

This volume, meticulously edited by the legendary August Nauck, preserves the surviving fragments of Porphyry’s most personal and provocative works. At its core, the text challenges the foundations of ancient Greek religion, replacing blood-soaked sacrifices with a philosophy of internal purity and

Fully translated

The Golden Verses of Pythagoras

Fabre d Olivet (trans.) · 1917 · French/English · 308 pages

This work restores the Golden Verses of Pythagoras to their status as tools for spiritual and moral development. D'Olivet challenges the modern view of art by insisting that poetry is a vehicle for divine truth rather than mere aesthetic arrangement. He maps the path of the soul from purgation to un

Fully translated

This library is built in the open.

If you spot an error, have a suggestion, or just want to say hello — we’d love to hear from you.