Loading video...

Video Failed to Load

Go Home

POV: your notes finally talk back "You wrote about this exact problem in March." "These 3 notes contradict each other." "You promised Sam a follow up 9 days ago." "This idea has 14 links and you never posted it." That's Opus 5.5 running a second brain. How to build...

33,544 views • 1 day ago •via X (Twitter)

4 Comments

Hussain Hashim | Building SundayBack's profile picture
Hussain Hashim | Building SundayBack1 day ago

@cyrilXBT hit this wall building my own thing. Learned to set quick reminders for reviewing notes every week.

Vipul Kumar Kewat's profile picture
Vipul Kumar Kewat1 day ago

This is where a notes app becomes genuinely useful.

Evening Trader Group's profile picture
Evening Trader Group1 day ago

The contradiction check would humble me instantly.

helicerat's profile picture
helicerat1 day ago

notes only talk back if you wrote them to be read by something else

Related Videos

Andrej Karpathy keeps his entire second brain in Obsidian 1 folder of plain text files, nothing else. Here’s the exact setup, free, that turns 1 vault into a brain you can actually query. Why most “second brains” die: Notion is a database you forget to open, ChatGPT memory wipes itself after 30 messages, and both lock your notes inside their cloud. Karpathy rule is the opposite: your notes are the 1 dataset nobody else on earth has, so keep them in plain markdown, own them forever, and let the AI read them later. 3 phases. Phase 1 — Capture with 0 friction. Install Obsidian free, local, 1 hotkey to a daily note. Dump everything into it: ideas, links, quotes, 2-line thoughts, no folders, no tags, no system. Target is 5 notes a day. Phase 2 — Let the graph connect itself. Install Smart Connections and it runs embeddings on every note you’ve ever written, so 2 notes you wrote 4 months apart and never linked by hand suddenly surface as neighbors. That’s the fireworks in the 3D graph each burst is a cluster of ideas your brain forgot it owned. Phase 3 — Query your brain. Point Claude at the vault and ask: “What did I actually think about X across all my notes?” It answers from 1,200 of your own notes, not the internet your taste, your edge, your dataset. The realistic curve looks like this: Week 1 — 40 notes, graph looks empty, feels like a waste. Month 1 — 300 notes, first real cluster forms. Month 3 — 1,200 notes, and the embeddings start surfacing links you’d long forgotten. Month 6 — you stop googling your own past ideas and just ask the vault. Before — 9 tabs, 3 note apps, 0 memory. After — 1 folder, 1,200 notes, 1 brain that compounds. The gap between people who consume and people who compound isn’t talent, it’s architecture. You build your own life so choose the right path.

Spike 1%

16,390 views • 3 months ago

Obsidian + method Karpathy + Claude Code = a quantum second brain that talks back. Most second brains are graveyards you clip 300 articles, tag 80 notes, build a graph that looks like a galaxy, then never open it again. Karpathy fix is stupid simple: 1 file, append only, new thought on top, review by scrolling no folders, no tags, no 40-minute “PKM setup” videos. The capture layer is 1 Obsidian vault with 1 file called stream md, where every idea, quote and link lands in under 10 seconds, because anything slower and you quit by day 4. Once a week Claude Code reads the whole vault from the terminal with 1 prompt “find the 5 ideas I keep circling without noticing” and sees patterns across 6 months you can’t hold in working memory. Instead of searching keywords you ask questions like “what did I think about agent pricing in March,” and Claude greps 4,000 notes and quotes your own words back with file paths. Then the vault becomes context drafting a post, a pitch or a spec, Claude pulls in your past thinking instead of generic internet mush, and your output starts sounding like you, compressed. The first week feels pointless at 20 notes, month 1 brings the first “wait, I already solved this” moment, by month 3 Claude connects 2 notes written 70 days apart and that connection becomes your best post of the year, by month 6 you stop asking Google things you already answered. The whole setup costs $0 in software and 1 evening. Notion sells you a workspace, Obsidian gives you files, Claude gives them a voice. Everyone rents a second brain this one lives on your disk and grows. You wrote the notes, and now something finally reads them.

West Lord

69,192 views • 2 months ago

PhD Students – How to convert your rough notes into a paper draft in 1 hour? Let’s first quickly understand the concept of rough notes. As a PhD student, you often read papers and make notes. Sometimes, you extract data from the papers you read. You record this data in an excel sheet. Irrespective of how you record your notes or data, you can convert it into a paper draft. More interesting, you can do this automatically. 𝐖𝐡𝐲 𝐭𝐨 𝐜𝐨𝐧𝐯𝐞𝐫𝐭 𝐲𝐨𝐮𝐫 𝐧𝐨𝐭𝐞𝐬 𝐢𝐧𝐭𝐨 𝐚 𝐩𝐚𝐩𝐞𝐫 𝐝𝐫𝐚𝐟𝐭? ➟ Difficult to comprehend your notes/data ➟ The notes are scattered in different places ➟ Need to synthesize a broader idea from your notes ➟ Need to write paper based on data noted 𝐇𝐨𝐰 𝐭𝐨 𝐜𝐨𝐧𝐯𝐞𝐫𝐭 𝐲𝐨𝐮𝐫 𝐧𝐨𝐭𝐞𝐬 𝐢𝐧𝐭𝐨 𝐚 𝐩𝐚𝐩𝐞𝐫 𝐝𝐫𝐚𝐟𝐭? 1. Go to and log in. 2. Open a blank document to start. 3. Click on 𝑊𝑟𝑖𝑡𝑒 on the right menu. 4. Click on 𝑢𝑝𝑙𝑜𝑎𝑑/𝑎𝑡𝑡𝑎𝑐ℎ button to upload your rough notes. 5. Use either pre-defined prompts or write your own. 6. For example, use the prompt – 𝐷𝑟𝑎𝑓𝑡 𝑎 𝑙𝑖𝑡𝑒𝑟𝑎𝑡𝑢𝑟𝑒 𝑟𝑒𝑣𝑖𝑒𝑤. 7. Paperpal will convert your notes a first draft of literature review. 8. Unlike ChatGPT, it will include real references your notes have. 9. You can give follow up instruction to modify the output. 10. For example, you can instruct – 𝑚𝑎𝑘𝑒 𝑜𝑢𝑡𝑝𝑢𝑡 𝑚𝑜𝑟𝑒 𝑐𝑜𝑛𝑐𝑖𝑠𝑒. 11. Paperpal will provide a concise alternative. 12. You can continue writing using the following options. ➝ Keep Writing ➝ Expand on ➝ Write a counter argument ➝ Write a transition sentence ➝ Write an impact statement 13. You can either accept or discard the generated text. Following this process will generate a paper draft for you. However, it is important to note that it is only a draft. You need to put your own human insight into it to polish it. You also need to carefully cross check the outputs. Please note this tutorial and tool is to facilitate you. It does not intend or even can replace you as a researcher. Try the Write 2.0 feature of Paperpal. Here is the link: Use code – FAHPP30 to get 30% off on Paperpal Prime. Anything you'd like to add?

Faheem Ullah

34,237 views • 2 years ago