Source Library provides the primary texts — we are not affiliated with SHWEP.
Episode 18·December 27, 2017·pre-socratic

Don't Spill the Beans: Pythagorean Silence

One of the key legacies of ancient Pythagoreanism is its mystique of esoteric silence. We examine the figure of the late-antique 'Pythagorean' philosopher, whose silence is a higher form of speech, and the dynamics of esoteric discourse which cannot, by definition, be revealed.

Listen on SHWEP23 sources in collection · 23 translated

Primary Sources

Physics, Metaphysics, and Ethics

Aristotle · -335 · Greek · 930 pages

This text serves as the foundation for Western natural philosophy by demanding that we identify the 'why' behind every phenomenon. Aristotle rejects the idea that the universe results from random chance. He argues that nature operates with clear purpose and that every change requires a specific caus

55% translated

Rhetoric and Poetics

Aristotle · 1270 · Latin · 623 pages

This work serves as a masterclass in the technical composition of speech. It moves beyond abstract theory to provide a concrete manual for handling every public scenario from funeral orations to political debate. Aristotle argues that rhetoric is a neutral art form that relies on the moral character

Fully translated

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

Aristotle (Cambridge, University Library, MS Add. 1732)

Aristotle · 1350 · Greek · 462 pages

Aristotle argues here that the universe is finite, ordered, and governed by natural laws that leave no room for the random or the infinite. He rejects the idea of a chaotic cosmos, insisting that everything from the path of a comet to the development of an embryo follows a predictable, purposeful de

Fully translated

Vat.gr.1892

Aeschylus; Aristotle · 1350 · Greek · 432 pages

Vat.gr.1892 serves as a collision between the rigorous discipline of classical logic and the volatile nature of ecclesiastical polemics. The author demands that we treat faith as a subject of scientific inquiry, demanding strict adherence to the causes and definitions that govern existence. You will

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

Aristotle (Cambridge, University Library, MS Ii.5.44)

Aristotle · 1450 · Greek · 307 pages

This manuscript challenges the modern assumption that ethics is merely a list of rules. Aristotle argues that virtue is a stable state of the soul formed through habit and deliberate action. He draws a hard line between theoretical wisdom and practical prudence, insisting that knowing what is right

Fully translated

Greek philosophical miscellany (Cambridge, University Library, MS Dd.4.16)

Aristotle · 1450 · Greek · 673 pages

This manuscript acts as a master key to Aristotelian thought, blending ethics, rhetoric, and political theory into a single argument about the human condition. It insists that happiness is not a feeling but an active practice of virtue that requires a lifetime to achieve. The text does not just theo

Fully translated

Arist. De arte poetica . Aristotelous Peri poietikes . Ac praeterea Plutarchi, Herodoti, Dionis Chrysostomi, Libanii, Menandri, ac Demetrii Phalerei quaedam

Aristotle; Plutarch; Herodotus · 1450 · Greek · 246 pages

Aristotle changed how we think about storytelling, but this volume goes much further. It includes essential guidance from Plutarch and Demetrius on how to read, write, and think critically. You will discover why poetry is more philosophical than history and how to spot a writer who is trying to dece

Fully translated

The Organon

Aristotle · 1450 · Greek · 724 pages
Fully translated

Musical Treatises of Euclid, Aristoxenus, Porphyry, and Nicomachus

Euclid; Aristoxenus; Porphyry; Nicomachus · 1450 · Greek · 642 pages

Bodleian Library MS. Barocci 41 is a monumental synthesis of ancient musicology, preserving the foundational debates that shaped Western musical thought. It pits the rigid mathematical ratios of the Pythagoreans against Aristoxenus’s revolutionary claim that the human ear, not just the compass and r

Fully translated

Greek texts on music, mathematics and astronomy (Cambridge, University Library, MS Kk.5.26)

Aristoxenus · 1500 · Greek · 382 pages

The text functions as a bridge between the physical experience of sound and the abstract laws of the cosmos. Aristoxenus challenges his predecessors by arguing that music is a product of human perception rather than rigid instrument tuning. Following his lead, the manuscript transitions into a manua

Fully translated

Aristotle's Metaphysics

Aristotle; Cardinal Bessarion (trans.) · 1515 · Latin · 323 pages

This text defines wisdom as the pursuit of knowledge for its own sake rather than for survival or utility. Aristotle challenges the pre-Socratic reliance on matter and rejects the Platonic dependence on separate Forms. He argues that being is not a vague concept but a structure defined by substance

Fully translated

Orations and Letters

Isocrates (ed. Henri Estienne / Henricus Stephanus) · 1593 · Latin · 733 pages

Henri Estienne and Hieronymus Wolf present a sharp look at how classical education shapes a state. They argue that wisdom without justice is merely a refined form of deceit. Through the lens of Isocrates, the text rejects the fatalism of their own sixteenth century to propose that human effort and m

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

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

Complete Works of Aristotle

Aristotle · 1831 · Greek · 804 pages
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

Works of Aristotle (Vol. 2)

Aristotle · 1890 · Latin · 684 pages

This text provides a direct look at Aristotle's natural philosophy as he connects the material world to human behavior. He argues that plants, animals, and humans follow consistent physical laws governed by heat, moisture, and motion. By examining everything from the optics of shadows to the mechani

Fully translated

Greek Musical Writers

Karl von Jan (ed.); Aristotle; Euclid; Nicomachus; Cleonides; Bacchius; Gaudentius; Alypius · 1895 · Greek · 618 pages

Karl von Jan presents a monumental effort to restore the writings of figures like Aristotle, Euclid, and Nicomachus. The text documents a high-stakes hunt for truth across European archives, where scholars battled failing eyesight and decaying parchment to recover lost knowledge. Readers discover ho

Fully translated

Harmonic Elements

Aristoxenus; H.S. Macran (ed.) · 1902 · Greek/English · 461 pages

Aristoxenus rejects the purely mathematical approach of his predecessors to establish music as a science rooted in human perception. He distinguishes between the continuous slide of speech and the discrete intervals of song, creating a logical framework for melody that relies on memory and hearing.

Fully translated

Life of Apollonius of Tyana, vol. 1

Philostratus · 1912 · English · 632 pages

Philostratus writes to vindicate Apollonius, presenting him as a divine sage rather than a common sorcerer. He follows a man who rejects the comforts of luxury for a life of wandering, silence, and intellectual rigor. The text tracks his encounters with kings and his refusal to be silenced by the au

86% translated

Life of Apollonius of Tyana, vol. 2

Philostratus · 1921 · English · 640 pages

This volume moves beyond simple biography to capture the life of a man who claimed wisdom was a weapon against both charlatanism and political violence. Philostratus records the debates of an ancient world where Egyptian, Indian, and Greek thinkers vied for the definition of truth. Apollonius emerge

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.