LEJSchool

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Learn by listening. Audio lessons, spoken quizzes, and practical tutorials for the things we want to understand. Transcripts are there whenever you want to read along.

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My favorite course · Free

A short daily lesson on saying the hard thing, asking for what you need, writing that works without you, and leading people. One framework, one story, one thing to try today.

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Lesson forty three. Repair the moment without surrendering the standard.

Newest lesson · Audio · 8:21

You learn to repair a sharp moment quickly by naming what you did, acknowledging its effect, restating the standard, and changing your next move.

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Lesson ten. Build a company you can trust

Founder · Audio · 9:44

Create dependable books, payment controls, tax planning, legal records, privacy practices, and operating reviews that prove important work is finished.

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Venture & money12 lessons
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Lesson one. Why risk capital has a job

Venture · Audio · 7:38

See why some young companies use venture capital, how that bargain differs from customer revenue and debt, and why growth potential is not the same as business quality.

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Founder10 lessons
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Lesson one. See the whole company

Founder · Audio · 8:18

Learn how a founder connects customer value, delivery, money, and decisions. Use constraints, small experiments, and a steady review rhythm to choose the next important job.

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AI models & tools8 deep dives
How Agent Memory Works

How Agent Memory Works

AI models & tools · Deep dive

The memory model behind a fleet of always-on agents: files you can read, not an opaque pipeline — an instruction hierarchy, a relevance-recalled fact directory, and a propose-then-own boundary that keeps shared memory from rotting into a junk drawer.

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How Claude Code Remembers

How Claude Code Remembers

AI models & tools · Deep dive

Claude Code's memory is the inverse of Codex's: files, not a pipeline. A hierarchy of human-readable CLAUDE.md instructions plus a model-managed memory directory. Here's how it actually works.

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How Codex Remembers

How Codex Remembers

AI models & tools · Deep dive

A teardown of Codex's memory engine: two tables, a promotion gate, and a lease-based job ledger. It treats memory as a processing pipeline, not a chat log — and that's the part worth stealing.

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Codex vs Claude Code: Two Theories of Memory

Codex vs Claude Code: Two Theories of Memory

AI models & tools · Deep dive

Codex treats memory as a processing pipeline; Claude Code treats it as a library of files. Same goal, opposite shapes. A head-to-head — and what a portable layer should steal from each.

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Git Worktrees for Parallel Agents

Git Worktrees for Parallel Agents

AI models & tools · Deep dive

A practical guide to using Git worktrees so multiple AI agents can work in parallel without stepping on the canonical repo.

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The Self-Improving Agent Playbook

The Self-Improving Agent Playbook

AI models & tools · Deep dive

How to build an AI system that remembers, connects, and gets sharper over time — on any stack, on Open Brain, or self-hosted on a machine you own.

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Build Your Own Claude Code Agent Fleet

Build Your Own Claude Code Agent Fleet

AI models & tools · Deep dive

A practical blueprint for running a fleet of always-on Claude Code agents on a box you own and your own Claude subscription — an orchestrator, executors, a heartbeat loop, a message board, and memory that survives restarts.

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The Gate Is in the Wrong Place

The Gate Is in the Wrong Place

AI models & tools · Deep dive

We gate our ideas before we build them — a habit inherited from an era when building was expensive. It isn't anymore. Build first; decide if it's good later.

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Communication & leadership44 lessons · new daily

A short daily lesson on saying the hard thing, asking for what you need, writing that works without you, and leading people. One framework, one story, one thing to try today.

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Lesson forty three. Repair the moment without surrendering the standard.

Daily · Audio · 8:21

You learn to repair a sharp moment quickly by naming what you did, acknowledging its effect, restating the standard, and changing your next move.

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Explore all 44 lessons
Media business2 resources
Build a Thumbnail Generator

Build a Thumbnail Generator

Media business · Copyable build

A practical playbook for building a repeatable image pipeline.

Copy the scaffold
Agents That Make Videos On Demand

Agents That Make Videos On Demand

Video

Turn a one-line brief into a finished video through a reusable agent skill.

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I learn by listening. When I go deep on something, I turn what helps me understand it into lessons you can take on a walk, on a drive, or wherever you think best. Come along.

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