TL;DR: Build a Notion second brain by creating four core databases (Capture, Projects, Resources, and Archive) linked via relations, then use daily templates and a weekly review to process inputs. This system turns scattered notes into a searchable, actionable knowledge base in under an hour.
Step 1: Create Your Four Core Databases
In a new Notion page (name it “Second Brain”), type /table and create four separate databases: Capture (quick notes, links, ideas), Projects (active outcomes with deadlines), Resources (reference material, articles, book notes), and Archive (completed or inactive items). Give each database the same property: Status (Not Started, In Progress, Done) and Date.
If you want to dig deeper, check out our guide on Why Zero Documented AI Controls for Sensitive Data Is a Risk.
Step 2: Link Them with Relations
Inside the Capture database, add a Relation property to Projects and another to Resources. In the Projects database, add a Relation to Resources. This lets you tag a random idea to a project, or attach a research article to a project. Tip: Enable “Show on [other database]” so the relation appears on both sides.
Step 3: Build a Daily Capture Template
Create a new page inside Capture named “Daily Log.” Add a template button (type /template) with fields: Today’s 3 priorities (linked to Projects), Quick notes (free text), and Links to read/watch (paste URLs). Every morning, hit the template button to spawn a fresh entry. Tip: Set a reminder on your phone to open this page at 9 AM.
Step 4: Process Your Inbox (The 5-Minute Rule)
Once a day, open your Capture database. For each item, decide: Actionable? → move it to Projects (with a due date). Reference? → move it to Resources (add a summary tag). Nothing? → delete or archive. Never leave an item in Capture for more than 48 hours—this is the core habit that keeps your second brain clean.
Step 5: Create a Weekly Review Page
Add a page called “Weekly Review” (outside the databases). Write a checklist: 1) Review all Projects with “In Progress” status; 2) Move any done Project to Archive; 3) Scan Capture for orphans; 4) Write a 3-sentence summary of what you learned. Tip: Use a checkbox list (/todo) and schedule it every Sunday.
Step 6: Use Views to Supercharge Navigation
On your main Second Brain page, add linked views of each database. For Projects, create a Board view grouped by Status. For Capture, use a List view filtered by “Last edited: Today.” For Resources, use a Gallery view with cover images (upload your own—no external URLs needed). This turns your databases into a dashboard you can scan in 10 seconds.
Step 7: Archive Ruthlessly
Once a month, select any Project with Status “Done” and move it to Archive. Keep your active Projects under 5. If a Resource feels outdated, move it to Archive too. Your second brain should only show what you’re actively using—everything else goes into deep storage for search.
FAQ
Q: Do I need to pay for Notion to build this?Related Articles
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