how to actually become a polymath.

A polymath is someone who has real

expertise in multiple different fields.

Think Leonardo da Vinci, art,

engineering, anatomy, or in modern

times, people like Johnny Kim, Navy

Seal, doctor, astronaut. Most people

will tell you to become a polymath by

reading a lot, following your curiosity,

and just connecting ideas from different

fields. But that advice doesn't actually

work. Your brain doesn't naturally

connect knowledge from different areas.

In this video, I'll show you the four

things you actually need to do. Go deep

in one field first. Use comparison to

connect different fields. Learn by

struggling before studying. Let's start

with why going deep [music] matters.

Here's the biggest mistake people make.

They think being a polymath means

learning a little bit about everything.

So, they spend 3 months on guitar, then

switch to Spanish, then try graphic

design, then move to something else.

This is completely backwards. There's a

huge difference between a polymath and

someone who just dabbles in stuff. A

polymath has real expertise in multiple

fields. A dabbler has surface knowledge

in multiple fields. That difference

matters a lot. Here's why. When you

actually get good at something, you're

not just remembering facts. You're

building patterns in your [music] brain.

These patterns let you see situations

and instantly know what to do. A chess

master looks at the board and sees

patterns immediately. They don't think

through every single move. A good

programmer sees a bug and knows exactly

where to look. This is real expertise.

But here's the important part. Most of

what makes you an expert can't be taught

with words. If you ask an expert how

they do what they do, they usually can't

explain it well. They'll say things

like, "You just get a feel for it. This

isn't them being unhelpful." That's just

how expertise works. You develop

intuition that's hard to put into words.

So, why does this matter for polymaths?

When you go deep in one field, you learn

something crucial. You learn what

mastery actually feels like. You learn

how to develop that intuition. You learn

how to spot patterns. Most importantly,

you learn how to learn. And that's what

transfers to your next field. Look at

Johnny Kim. He didn't try to be a SEAL

doctor and astronaut at the same time.

First, he became an elite Navy Seal.

completed over 100 combat missions,

complete mastery. Then he used that

foundation, the discipline, the learning

ability, the pattern recognition to go

through Harvard Medical School faster.

Then he used both of those experiences

to excel in astronaut [music] training.

Each field built on the depth of the one

before it. So here's what you need to

do. Spend real time building real

expertise [music] in your first field,

not I read some books knowledge. Real

expertise where you can feel when

something's right or wrong. Where you

have intuition. This feels slow. You

might think, "I'm not being a polymath

yet." But you're building the foundation

that will let you learn your second

field way faster, about 40% faster,

because you already know what expertise

feels like. You recognize the stages of

learning. You know how to push through

hard parts. This separates real

polymaths from people who just collect

hobbies. Once you have depth, the next

challenge is getting knowledge from one

field to help you in another field. Your

brain doesn't do this automatically. You

have to force it. That's what we're

covering next. Let me tell you about a

study that completely changed how

companies think about innovation.

Researchers at 3M, you know, the company

that makes Post-it notes and thousands

of other products, wanted to figure out

who their best inventors were. They

looked at all their patents and tracked

the actual commercial impact each

inventor made. They found three types of

inventors. First, specialists, people

who went super deep in one specific

technology area. They had tons of

patents, but all in the same narrow

field. Second, generalists. People who

worked across many different technology

areas, but never went deep in any of

them. Both specialists and generalists

made contributions, but neither was

amazing. Then they found a third type

they called polymaths. These people had

depth in one core area, but they also

worked across dozens of different

technology classes, way more than the

generalists. Here's what shocked them.

The polymaths were the only ones who

could create innovations that were both

technically solid and commercially

successful. The specialists made good

tech that nobody bought. The generalists

made lots of ideas that weren't

technically sound. Only the polymaths

bridged both. Why? Because polymaths

were doing something the others weren't.

They were constantly comparing patterns

across different fields. When you only

know one field deeply, you see problems

through that one lens. When you know

many fields shallowly, you can't solve

complex problems. But when you know one

field deeply and have worked across many

others, you can take a pattern from

field A and apply it to solve a problem

in field B. This is the secret weapon of

polymaths. [music]

their pattern matchers across domains.

Think about Tim Ferris. He learns

languages, physical skills, and business

fast. He uses the same framework for

everything. He calls it diss,

deconstruct select sequence stakes.

Same pattern, totally different fields.

He made this framework by comparing how

he learned different skills and finding

what was the same across all of them.

Here's how you do this. Every time you

learn something new, immediately find

two to three examples from completely

different areas that use the same idea.

And I mean completely different. Don't

pick similar examples. Force yourself to

connect totally different fields.

Example, let's say you learn about

feedback loops in business. Now find

feedback loops in climate science, in

your relationships, and in machine

learning. Write down what matches up and

why the pattern is the same. Your brain

builds connections between fields

instead of keeping them separate. Now,

this comparison method is powerful, but

there's something even better that seems

totally backwards, and that's what we're

looking at next. This is going to sound

crazy, but the evidence is really

strong. What if the best way to learn

something is to try and fail at it

before anyone teaches you how? Like,

imagine trying to solve math problems

before learning the formulas, or trying

to speak Spanish before studying

grammar. Sounds dumb, right? You'll just

fail and feel bad. Except that's not

what happens. There's something called

productive failure that scientists have

studied a lot. One researcher ran 53

different studies with thousands [music]

of students. Here's what they found.

Students who struggled with hard

problems before getting taught did way

better than students who just studied

first. How much better? About 13

percentage points better on tests. And

this lasted they were still doing better

7 weeks later. Even crazier, this

struggling can work nearly twice as well

as a good teacher. Why does this work?

When you struggle and fail, your brain

becomes super aware of what you don't

know. It creates gaps in your knowledge

that your brain wants to fill. When the

teaching finally comes, your brain is

actively looking for the missing pieces.

You're not just passively listening.

You're hunting for answers. Think about

it. Have you ever struggled with a

problem for hours, been completely

stuck, and then someone shows you the

solution? You never forget that

solution. It clicks in a way it wouldn't

if they just showed you first. This is

huge for polymaths because it helps

knowledge transfer between fields.

Remember how knowledge doesn't naturally

jump between fields? Struggling creates

the hooks that make it possible. There's

another version that's even weirder.

Taking a test on stuff you haven't

learned yet. Sounds stupid, right? Why

test yourself on something you don't

know? But one study showed students who

took practice tests before studying did

49% better than normal students, almost

50% better just by testing themselves on

stuff they hadn't seen yet. Same reason.

Making mistakes on the test turns on

curiosity in your brain. When the real

content comes, your brain knows exactly

what to look for. This connects to

something called desirable difficulties.

Things that make learning harder during

practice, but actually make you remember

better long term. Here are three that

help polymaths. First, interle. Instead

of practicing one skill until you're

good, mix different skills in the same

practice session. So, if you're learning

music, don't practice scales for an

hour, then chords for an hour. Mix them

up. Scales then chords, then rhythm,

then back to scales. Second, spacing.

Spread your learning over days and weeks

instead of cramming. The gaps between

sessions force your brain to remember

things, which makes the memory stronger.

And here's the key. This forces you to

remember stuff in different situations.

This automatically helps with transfer.

Third, try to answer before learning.

Try to solve problems or explain things

before you see the right answer. Even

when you're wrong, trying first helps

you learn better when you finally see

the correct version. Let's recap with

what you actually need to do. First, go

deep before going wide. Spend real time

building real expertise in one field,

not surface knowledge. Actual pattern

recognition and feel for it. Second, use

comparison. Every time you learn

something, immediately find two to three

examples from completely different

fields that use the same idea. Third,

embrace struggling. Test yourself before

learning. Struggle with problems before

seeing answers. Now, actually executing

this consistently requires high

performance habits. If you want the

discipline and systems to make this

happen, check out my last video on how

to become a high performer. Click here

to watch