Commonplace Books Overview

Aug 25, 2025

Overview

This lecture introduces the concept of commonplace books, their historical context, practical setup, and their benefits for active reading, learning, and synthesizing ideas.

What is a Commonplace Book?

  • A commonplace book is a personal repository for storing ideas, facts, quotes, and information in one place.
  • Commonplace books were popular during the Renaissance and are experiencing renewed interest.
  • Many notable figures, including John Locke and Oscar Wilde, kept commonplace books.
  • The practice involves compiling and categorizing content under personal headings.

Historical Context and Methods

  • Commonplacing originated as an early modern academic and cultural practice.
  • John Locke's 1685 method involves recording headings as they arise, rather than alphabetically.
  • Indexing is important for finding information; Locke recommended alphabetical indices but simpler forms also work.

How to Set Up and Use a Commonplace Book

  • Number the pages and reserve space at the start for an index.
  • Write content under headings that emerge naturally during reading or conversation.
  • Index each heading with corresponding page numbers for quick reference.
  • Maintain one general book or multiple themed books (e.g., for specific projects or topics).
  • Use a messy notebook for rough notes and transfer to a neat version regularly.
  • Incorporate digital content by transcribing screenshots or notes from devices.
  • Add vocabulary lists for new words.
  • Read and review the commonplace book regularly, using spare moments.

Benefits of Commonplacing

  • Encourages active, critical reading and deeper engagement with material.
  • Helps retain, organize, and recall information and ideas efficiently.
  • Facilitates memorization and use of key quotes or facts in conversation.
  • Supports the development of eloquence and clearer, more innovative thinking.
  • Enables synthesis of diverse information, revealing connections across various fields.

Key Terms & Definitions

  • Commonplace Book — a notebook for collecting quotations, ideas, facts, and information, organized by headings.
  • Index — a list at the start of the book showing headings and corresponding page numbers.
  • Synoptic Thinking — connecting and synthesizing information from different sources to create new ideas.
  • Active Reading — engaging with texts by seeking out material to record and reflect upon.

Action Items / Next Steps

  • Start your own commonplace book by numbering pages and reserving space for an index.
  • Regularly transfer notes from messy drafts or digital sources to your main commonplace book.
  • Dedicate 5–10 minutes daily to updating and reviewing your commonplace book.
  • Explore additional resources or classes on commonplacing for deeper learning.