Teach Everything You Know
You're not perceived as an expert because you teach — teaching makes you one.
- Difficulty
- Easy
- Time to result
- ~months to results
- Steps
- 4
- Confidence
- 93%
Barry dismantles the belief that only experts get to teach. Historical figures we call pioneers — Marco Polo, Paul Revere — weren't the first or foremost at what they did; they're remembered because they documented it. The corollary: we perceive people as experts because they teach, not the reverse. So you should teach everything you know the moment you learn it, because someone one step behind needs it, and beginners often need precisely the 'obvious' step an expert would skip. This approach built Barry's entire audience and career and cured his imposter syndrome.
Origin
Barry was paralyzed by the belief that he had to be an expert before teaching, fearing people would mock a college dropout with no credentials. The unlock came from two places: realizing that a beginner's Ruby on Rails tutorial helped him where the experts' tutorials failed (the beginner flagged the obvious step everyone else skipped), and realizing we know Marco Polo and Paul Revere only because they documented their journeys, not because they were first or most expert.
Core principles
- 01People don't teach because they're experts; they're perceived as experts because they teach.
- 02The person one step behind you needs exactly what you just learned.
- 03Experts skip the obvious steps that beginners actually get stuck on.
- 04You don't need credentials or fame to document what you learned.
How to run it
- 1
Drop the expert prerequisite
Reject the idea that credentials, fame, or mastery are required before you can teach. Reframe: teaching is what creates the perception of expertise.
Pro tip Say 'here's something I learned and where I learned it, I hope it helps' — no authority claim needed.
- 2
Teach what you just learned
Document the thing you figured out this week for the person who is a week, a month, or six months behind you on the same path.
Pro tip Recency is an asset — you still remember what confused you.
- 3
Keep the 'obvious' steps in
Include the details an expert would skip as too basic, because those are exactly the steps beginners get stuck on.
Pro tip The step that made you say 'thank you so much' is the one to spell out.
Watch out Experts unknowingly omit the beginner's real blockers — don't inherit that blind spot.
- 4
Publish consistently to compound
Turn each lesson into a post or newsletter so the body of documentation accumulates into authority and an audience over time.
In the wild
Learning to install Ruby on Rails, Barry followed step-by-step tutorials from the experts who built the frameworks and still couldn't make it work. Then he found a tutorial written by a fellow beginner who flagged the one 'obvious' step the experts had skipped — the exact thing he was stuck on.
→ He realized beginners need to hear from people just ahead of them, which became the core of his teach-everything philosophy.
Barry points out Marco Polo wasn't the first to reach China — he traveled with uncles whose names we don't know — but he wrote about it. Paul Revere wasn't the only rider that night, but his name is in the famous poem. We remember the documenters, not necessarily the pioneers.
→ The insight reframes documentation, not primacy or expertise, as the source of lasting reputation.
Common mistakes
Waiting to be an expert
Believing you must reach expert status before teaching keeps you silent indefinitely and cedes the audience to people who simply started documenting sooner.
Teaching from a place of expertise
Once you feel expert, you skip the obvious steps beginners actually need — losing the very audience you could most help.
Is it for you?
Best for
Beginners and intermediate practitioners who want to build authority and an audience while still learning.
Not ideal for
Anyone unwilling to share work-in-progress or who needs polished, authoritative positioning for a specific professional context.
From the transcript
“We don't people don't teach because they're experts. We perceive them as experts because they teach.”
“I just have to teach everything that I know. It's not is this important enough, am I important or famous enough. Do I have credentials”
From the episode
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