The Commonplace Cartographer: On Pliny the Elder's Voracious, Unfinished Method
We often imagine the act of collecting knowledge today as a tidy, digital affair. Tags nestle into folders, links form tidy networks, and search bars promise instant retrieval. It is a world of managed efficiency, a stark contrast to the intellectual world of Gaius Plinius Secundus, better known as Pliny the Elder. His method of reading and note-taking was not tidy, but it was heroic in its ambition, a sprawling, pre-digital attempt to map the entirety of human and natural knowledge.
Pliny was not a curator of feeds but a dredger of libraries. His nephew, Pliny the Younger, wrote of his uncle's "incredible zeal" for study, describing a routine that would humble any modern knowledge worker. Pliny read, or was read to, at every available moment: during meals, while travelling in his litter, even in the bath. A secretary was always at his side, book and notebook in hand, ready to transcribe passages of interest. This practice of excerpting—of lifting fragments from their original contexts and compiling them into new wholes—was the ancient equivalent of our digital clipping tools. But where we might save an article to a service like Pocket or Evernote, Pliny was building his own universe, volume by volume, scroll by scroll.
The result of this lifelong harvest was his Naturalis Historia, or Natural History, a 37-volume encyclopaedia that aimed to catalogue everything known about the natural world. It was a personal knowledge management system made public, a massive commonplace book for an empire. Within its pages, facts about astronomy jostle with descriptions of exotic plants, accounts of artistic techniques, and remedies for diseases. The system was not one of hierarchical folders but of association and accumulation. It was a web, not of hyperlinks, but of proximity, where the reader might leap from the nature of elephants to the habits of kings in adjacent paragraphs.
What is most striking, and perhaps most humbling, about Pliny’s method is its essential unfinishedness. His nephew noted that he left behind 160 volumes of notes, written on both sides of the papyrus in a minute hand. The published Natural History was merely the refined output of a vast, private archive that was constantly under construction. This resonates deeply with our own struggles. Our digital gardens are never complete; our note-taking systems are perpetually in beta. Pliny’s life reminds us that the act of gathering is not a means to an end, but a continuous, voracious engagement with the world of ideas.
Pliny’s flaw, of course, was the flaw of any uncritical aggregation system: a lack of verification. He transcribed hearsay alongside observed fact, creating a text that is as much a repository of ancient myths as it is of science. In our age of algorithmic feeds and informational abundance, we face a similar peril. The ease of capturing and storing can overshadow the necessity of critiquing and discerning. Pliny collected everything; our task is to learn not just from his zeal for acquisition, but from the critical lens we must apply to our own collections. His method was ultimately a map drawn by a single, relentless cartographer, a testament to the human desire to know, to collect, and to make sense of the world, one note at a time—even if the map can never be fully drawn.
Notes & further reading
A few pages I came back to while writing this: