LEUCHTTURM1917 A5 Dotted Notebook
The notebook for people who still think best by hand. Great for permanent notes, reading summaries, and decision logs you will actually want to revisit.
Informal learning notes for thoughtful operators
NDR Guru is my ongoing journey through the First Brain, the Second Brain, and AI — how we think, what we keep, and how machines can help us connect the two. Notes, experiments, frameworks, and lessons from figuring out how human memory and machine intelligence work better together.
AI can help you move faster, but it can also supercharge the exact loop that already keeps you stuck: overwhelm, avoidance, a burst of tool-driven activity, and then the weird numb feeling afterward.
AI & Life DesignAI can compress known tasks from hours to minutes. The grown-up question is whether you cash that saved time out into life, or immediately spend it on more work until nothing actually changes.
AI & ThinkingAI does not just help us produce words. It touches intuition, identity, taste, and curiosity, which means thoughtless use can flatten your work into something polished and perfectly forgettable.
AI & PracticeThe best AI users are not always the most technical. They are the ones who understand their own psychology, biases, communication patterns, standards, and values well enough to give the tool real context.
AI & QualityWorkslop is polished AI output that masquerades as good work while hiding weak thinking. It creates cognitive debt for the maker and trust debt for everyone downstream.
Use the model to challenge, synthesize, and compare. Keep the weighting of stakes, timing, and values in human hands.
Most teams do not need a massive governance layer. They need a lightweight record of why they chose what they chose before memory rewrites the whole scene.
A front shelf of notebooks, reading aids, chargers, timers, and learning tools that earn a place in a real thinking system.
This shelf mixes analog notes, focused reading, portable power, time awareness, and AI learning guides. Use it like a catalog with judgment: pick the tool that reduces friction, then build the habit that makes it useful.
The notebook for people who still think best by hand. Great for permanent notes, reading summaries, and decision logs you will actually want to revisit.

A low-tech second brain. Ideal for one-idea-per-card note systems, outlines, and forcing clearer thinking in small units.

Small upgrade, real payoff. A better pen makes note-taking feel lighter, faster, and strangely more sustainable.





Start here when you want a clean lane into the site: second-brain basics, decision hygiene, AI reflection, and the review loops that keep a thinking system alive.
Use these as working frames when you are reading, buying a tool, building a second brain, or deciding whether AI helped the thinking or just polished the output.