A New Renaissance of Ancient Wisdom
Welcome to the world’s largest library
of AI-translated ancient sources.
Deep dive podcast
Inside the Microcosm — Fludd’s Map of the Human Soul
A deeper look at Volume Two of Fludd's Utriusque Cosmi Historia (1619): man as the little world — the heart as a sun, the soul as a chord, and the occult arts of memory, Kabbalah, palmistry, and demonology that all follow from one thesis.
Recently translated
The latest works Source Library has brought into a modern, readable translation.
The Librarian
Ask the source
Put a question to thousands of primary sources and get an answer — with citations to the originals you can read for yourself.
e.g. “What did Newton write about prophecy?”
Featured Collection
South Asia
Sanskrit, Tibetan, and Pali manuscripts — Buddhist sutras, Hindu epics, Jain philosophy, fable traditions, and palm leaf manuscripts.
Gallery
Plates, figures, and engravings from rare books across the library.
Research Notes
AI-assisted research on the collection and its history
The rediscovery of ancient wisdom helped spark the Renaissance. It’s time for another.
Centuries of humanity’s deepest thinking sit locked in Latin and other inaccessible languages. These aren’t just inaccessible to humans; contemporary AI systems were trained on Reddit but not the Renaissance. Millions of books and manuscripts are unscanned and untranslated. These aren’t obscure footnotes. They are the roots of modern science, psychology, philosophy of mind, and the perennial questions about what it means to be human.
The Source Library uses scholarship and AI systems to recover this knowledge and make it accessible to all. We are building the world’s largest open-access collection of translated primary sources—so that scholars, seekers, and AI systems can draw on the full depth of the human intellectual tradition. This work is sustained by the people who use and value it.
The Source Library is an initiative of the Embassy of the Free Mind in Amsterdam, home to the Bibliotheca Philosophica Hermetica: one of the world’s most important collections of Hermetic, alchemical, and esoteric books.
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Help recover the lost intellectual heritage of humanity.
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Thousands of texts from the ancient and early modern world remain untranslated and unread. Your support funds the digitization, OCR, and AI-assisted translation of these works—making them freely available to scholars, seekers, and the public for the first time.
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22,069 books · 7,426+ authors · 116+ languages