A digital “second brain” is a trusted place to keep useful notes outside your head so you can return to them when a project needs them. Notion can hold that system, but the value comes from how you capture, organize, and reuse information—not from building the most elaborate workspace.
Start with a job for your notes
Choose one active project or recurring responsibility. Decide what you want the system to help you do: prepare a report, learn a subject, plan a launch, or remember decisions. A clear purpose makes it easier to choose what to save and what to ignore.
Use the CODE workflow
Author Tiago Forte describes a four-step process called CODE: Capture, Organize, Distill, and Express. His Building a Second Brain guide presents it as a tool-agnostic method, so the same approach can be adapted to Notion or another note-taking app.
- Capture: Save information that is useful to a current project, a responsibility, or a question you genuinely want to answer. Add a short note explaining why it matters.
- Organize: Put the note where you will look for it when doing the work. Organize around projects and actions rather than trying to predict every possible future topic.
- Distill: Highlight the key passage, write a short summary, or record the question the source helps answer. Keep the original source link so you can check context later.
- Express: Use the note in a real output—a decision, plan, presentation, article, or conversation. A note that never helps you do anything may not need further organizing.
A lightweight Notion setup
Begin with one inbox for new notes and a small set of fields: title, source link, project or area, date captured, and next action. Review the inbox on a regular schedule. Move only useful notes into the relevant project, summarize what you learned, and archive finished work when it no longer needs attention.
Keep the system easy to maintain
- Save fewer, better notes instead of collecting everything.
- Use consistent names so search works without a complicated folder tree.
- Keep citations or source links with any fact you may quote or rely on later.
- Review notes during the work they support, not just to keep the database tidy.
- Do not store sensitive personal or financial information in a workspace unless its access and security settings meet your needs.
Example: turn a note into useful work
Suppose you are preparing a household budget. Capture a trusted explanation of a budgeting method, attach its source, and note which question it answers. When you build the budget, distill the parts that fit your situation, compare them with your actual income and expenses, and use the result to make a plan. The note has become useful because it supports a decision.
Start small and adjust
Build the simplest system that helps you finish one real task. If it takes longer to maintain than to find or use your notes, remove steps. The original DataRockie video remains linked below for its Notion walkthrough; interface labels and features may have changed since it was recorded.