The Commonplace Rebellion: On John Locke's Methodical Scissors

We imagine the great minds of the past as fountains of pure, spontaneous genius, their ideas flowing effortlessly from quill to parchment. We picture them in grand libraries, not hunched over a desk with a pair of scissors. Yet, it is precisely this mundane tool that underpinned one of history's most sophisticated systems for managing what one reads and learns.

Long before the command-F search or the digital tag, the 17th-century philosopher John Locke needed a way to tame the flood of information from his own reading. His solution was a method for commonplacing—the practice of compiling knowledge, quotes, and ideas into a central notebook. But Locke’s system was revolutionary in its mechanical simplicity. He didn't just transcribe; he cut, pasted, and indexed.

Locke devised a scheme where every page of his commonplace book was assigned a letter and number. After reading, he would write a note on a separate slip of paper, head it with a keyword, and note the source location. Then, he would take his scissors, cut the note out, and paste it onto the page in his master notebook reserved for that keyword. This act of physical cutting and pasting is a stark, tactile contrast to our effortless digital clipping. It was a deliberate, material commitment to an idea.

His indexing method was its own kind of genius. He created a massive alphabetical index at the back of the notebook. Under each keyword, like “Memory” or “Virtue,” he wouldn’t write out the note itself, but simply the page number where the pasted slip resided. This created a web of associative knowledge, where a single idea from one book could be physically placed next to a seemingly unrelated thought from another, years later. The index was the database; the notebook, the stored content.

There’s a profound lesson here for our own digital curation. Locke’s system forced a decision at the moment of capture. The act of choosing a single keyword and physically gluing the note in place was an act of understanding and categorization. It prevented the hoarder’s impulse to simply save everything into a nebulous “read later” folder. Each entry required a minimal but crucial investment of interpretive labor.

Our modern tools are infinitely more powerful, yet often feel less purposeful. We highlight, we clip, we save—all with a vague promise to ourselves that we will “organize it later.” Locke’s scissors demanded organization *now*. His method argues that the value of reading isn’t in the accumulation of data, but in the deliberate, almost surgical, extraction of meaning and its purposeful placement within a growing, personal structure of thought. It was a rebellion against forgetfulness, not with complex technology, but with methodical, thoughtful action.

Notes & further reading

A few pages I came back to while writing this: