03 · YOUR INSTRUCTOR
Yuzheng Sun, PhD

Founder · Meta / Amazon / Statsig / Tencent
Build with AI: Mindset, Habits & Tools for the Next 20 Years
⭐ 4.9 (72 reviews) · Next cohort at the time: Apr 13–27, 2026
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05
Most people get 30% from AI. A few get 10×.
06
Bill Gates: AI is a paradigm shift on par with the GUI

"In my lifetime, I have seen two demonstrations of technology that struck me as revolutionary."
— Bill Gates, March 2023, after seeing GPT-4
The First: GUI
The graphical interface put computers in the hands of a billion people. PCs, software, the internet, smartphones — all built on this paradigm shift.
The Second: AI
"The age of AI has begun." Not a new tool — a new era. Same magnitude as the GUI.
Why this matters:
- Before GUI: only experts used computers
- After GUI: anyone could
- With AI: anyone can now harness compute
- What changes: what ordinary people can do
07
The electric motor: new technology ≠ swap the tool

When the electric motor was invented, factories simply replaced the steam engine with it — everything else stayed the same. Efficiency improved by 30%.
Decades later, someone realized: motors can be small. You don't need to design a factory around a central power source — you can design it around the production process itself.
The assembly line was born. Efficiency jumped tenfold.
Today's AI is the same story.
What most people do: keep the same workflow, just "ask AI" at one step. — That's putting the electric motor where the steam engine was.
The real transformation: redesign how you work around what AI can actually do.
09
Three fundamental limitations of chat-based AI

Dimension | ChatGPT (chat mode) | Cursor (agentic mode)
Context | Every conversation starts from zero — you re-explain everything each time | Reads your entire project: files, rules, history — understands your setup
Persistence | Output lives in the chat window — disappears when you close it | Output goes into actual files — it accumulates, it's reusable next time
Self-correction | Only updates when you say it's wrong — silent on errors you don't notice | Has a real execution environment — runs code, sees errors, fixes itself
This isn't a feature comparison. It's two fundamentally different ways of working — one where you drive AI; one where AI drives, and you review outcomes.
10
Controlling the process vs. controlling the outcome

Traditional: Process Certainty
- Prompt → check → edit manually → repeat
- AI output capped by your review bandwidth
- You're the bottleneck
AI-Native: Outcome Certainty
- Define "what good looks like"
- Give AI rules + context
- AI runs, checks, iterates → you review
- Highest leverage: define the finish line
When AI can produce far more than you can review line-by-line, the bottleneck isn't attention — it's how clearly you defined "done."
13
Debugging with Cursor: a 3-step mindset

STEP 1
Read the error — it's a clue
- Not a judgment — it's a message
- Tells you what broke and which line
- Read it before asking Cursor anything
STEP 2
Give Cursor the full picture
- Don't just paste the error
- "I expected X. Got this instead."
- Expected + actual = the right fix
STEP 3
Let Cursor run, check, and fix
- Let it execute, see output, and iterate
- Ask: "Why did this break?"
- Not just: "Does it work now?"
The goal isn't to never break things. It's to recover confidently and learn faster when you do.
15 · HANDS-ON EXERCISE
Download the practice data

Download link:
ai-builders.com/resources/lesson4_data.zip
⬇ Download lesson4_data.zip
We'll use this dataset to practice turning vague instructions into precise, AI-ready specs with the 3C Framework.
Links on this slide⬇ Download lesson4_data.zip ↗
16
What a vague instruction looks like in practice

You have a photo folder. Two files named sunset.jpg — one ocean, one mountain. You ask Cursor:
"Write a script to move all photos into one new folder, flatten the subdirectory structure."
What AI assumes
Same filename = same file. Overwriting is fine. You didn't say otherwise.
What actually happens
One sunset.jpg is silently deleted. No error. No warning. No trace.
THE TRAP
The code ran without errors. It did exactly what you asked. But you lost data. Vague requirements produce technically correct code that's a wrong product.
17
Why did this happen? The curse of knowledge

The problem isn't that AI is dumb. It's that you carry implicit assumptions that AI doesn't share.
About identity — you assumed:
You: "Photos with different content are different files." AI: "Photos with the same filename are the same file."
About conflict — you assumed:
You: "Overwriting would lose data — obviously bad." AI: "If same filename = same file, then overwriting loses nothing."
The skill is not writing — it's excavating.
- Surface hidden assumptions
- Turn implicit decisions → explicit rules
- That's what Criteria is for
18
The 3C Framework: write specs, not requests

C1 · CONTEXT
What's the #1 priority?
- Set the north star first
- Data safety: better to do nothing than lose a file
- This overrides all other decisions
C2 · COMPONENTS
What are the steps?
- Scan source directory (recursive)
- Identify duplicate files
- Execute file operations
- Generate verification report
C3 · CRITERIA
Make implicit rules explicit
- Duplicate? → content hash, not filename
- Name conflict? → auto-rename, never overwrite
- Safety? → copy-only, originals stay
- Which files? → .jpg / .png only
19
Validation: trust the ledger, not your eyes

Data Consistency Check
- Add to end of every script
- input = output + duplicates + skipped
- If unequal → print RED WARNING
Visual Acceptance Report
- Generate report.html
- Left: files kept · Right: duplicates removed
- One human scan > 100 automated checks
THE MINDSET SHIFT
- "No errors" ≠ correct output
- Look for data integrity, not just no red text
- Define "done" before you run
20
Where you are now — what to do next

LEVEL 1
Only used ChatGPT
- Open Cursor on one weekly task
- Let it read your actual files
- Notice the context difference No coding required. Just feel it.
LEVEL 2
Cursor but prompt one-by-one
- Write your standards in a file
- AI reads rules before acting
- Output quality jumps immediately
LEVEL 3
Already building workflows
- Add automated acceptance checks
- Second agent reviews / script validates
- "It works" → "It's repeatable"
Shared starting point at every level: write down what "good" looks like before you ask AI to do anything.
22
How this deck was made

Step | Human did | AI did
1 · Brief | 1 message: workshop info + agenda + lesson content to include | Read original 747-line deck + lesson 4 materials + workshop screenshot
2 · Content | Zero lines of HTML written | Output 900+ lines of HTML: 20 slides, full design system retained
3 · Adaptation | Specified: English, debug section, 3C framework, Tencent in EN | Restructured narrative arc, added 3 new sections, repurposed all assets
1 message
→ 912
lines of HTML
~10 min
human time
vs 20 slides
complete deck
This is "outcome certainty" in a real workflow: human defines the goal and constraints, AI handles all execution — including the sentence you're reading right now.
23 · KEEP BUILDING AFTER TODAY
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24 · KEEP GOING AFTER TODAY
Build with AI: Mindset, Habits & Tools for the Next 20 Years

- Learn AI for 20 years, not the next 20 days
- Stop treating AI like a chatbot — design the context
- Build a meta-learning system that compounds over time
- Real projects, real code, real feedback from instructors
RATING
⭐ 4.9 / 5.0 NEXT COHORT AT THE TIME
Apr 13–27, 2026
REVIEWS
72 students
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