Full transcript
0:00What if I told you your IQ is not fixed?
0:03Not at 18, not at 25, not even at 50.
0:07For decades, we were told intelligence
0:09is genetic, something you're born with,
0:12something you can't change. But the
0:14smartest people in history tell a
0:16different story. Albert Einstein was
0:18considered slow as a child. His teachers
0:21thought he lacked intelligence. Charles
0:23Darwin was an average student who hated
0:25memorization. Thomas Edison was expelled
0:28from school, labeled unteable. Yet,
0:31these people reshaped how humanity
0:34thinks. So, what changed? Not their
0:36genes, not their schools. Their habits
0:39changed how their brains worked. Today,
0:42I'll show you the habits that research
0:44shows can increase intelligence and how
0:47the greatest minds in history used them
0:49long before neuroscience could explain
0:51why. Habit one, deep thinking without
0:55input.
0:56Most people believe intelligence grows
0:58by consuming more. More videos, more
1:01podcasts, more information. But
1:03neuroscience shows the opposite. Your
1:06brain becomes smarter when it is forced
1:08to think without input. This activates
1:11something called the default mode
1:12network, the system responsible for
1:15abstract thinking, insight, long-term
1:19reasoning, creativity.
1:21Einstein famously performed thought
1:23experiments. He didn't always calculate.
1:26He imagined, "What happens if I chase a
1:29beam of light? What happens if gravity
1:31bends space?" He would walk alone for
1:33hours. No books, no notes, just pure
1:37thinking. Modern studies show that
1:39people who regularly engage in
1:41undistracted thinking score higher in
1:44problem solving, strategic reasoning,
1:46and creative intelligence. Smart habit
1:49daily thinking walks. No phone, no
1:52music, no input. At first it feels
1:54boring, then uncomfortable, then
1:57insightful. That discomfort, that's
2:00intelligence growing. Habit two,
2:04struggle before help. Highly intelligent
2:06people don't rush to answers. They delay
2:09help. Psychologists call this productive
2:12struggle. Your brain strengthens when it
2:14tries, fails, adjusts, and retries.
2:18Benjamin Franklin trained himself this
2:20way. He would read an essay, put it
2:22away, then try to rewrite it from
2:24memory. Only after struggling would he
2:26compare it to the original. This forced
2:29his brain to retrieve, reorganize,
2:32refine. Modern brain imaging shows that
2:35struggle activates deeper neural
2:37pathways than passive explanation ever
2:40does. This is why instant solutions feel
2:43productive but vanish from memory. Smart
2:46habit. Before asking for help, write
2:48your best answer. even if it's wrong.
2:51Struggle is not a sign of low
2:53intelligence. It's the mechanism that
2:55builds it. Habit three, writing to
2:57think, not to record. Most people write
3:00to store information. Smart people write
3:02to clarify thinking. Leonardo da Vinci
3:05didn't write essays. He wrote questions,
3:08diagrams, fragments, contradictions. His
3:11notebooks weren't organized. They were
3:13alive. Writing forces your brain to slow
3:17down, detect gaps, make vague ideas
3:20precise. Research from Princeton and
3:23UCLA shows writing by hand improves
3:26conceptual understanding far more than
3:28typing or reading because writing is
3:30thinking made visible. Smart habit, a
3:34daily thinking journal. Not what did I
3:37do today, but what do I actually
3:39understand? What confused me? What idea
3:43feels unfinished? Intelligence grows
3:46where thoughts are examined, not
3:47collected. Habit four, building mental
3:50models. High IQ individuals don't just
3:53know facts, they understand systems.
3:56Charlie Mer called this a lattis work of
3:59mental models. Physics teaches cause and
4:02effect. Biology teaches adaptation.
4:05Psychology teaches bias. Economics
4:07teaches incentives. When your brain
4:10learns across domains, it becomes
4:11flexible. This is called transfer
4:14intelligence. The ability to apply ideas
4:16in new contexts. That's why polymaths
4:19dominated history. Aristotle, Leonardo
4:23da Vinci, Gerta. Modern research
4:25confirms cross-domain learners show
4:28higher fluid intelligence, the ability
4:30to reason in novel situations.
4:33Smart habit. Every week, learn one
4:36concept outside your field. Not deeply.
4:40Conceptually, your brain becomes smarter
4:42when ideas start connecting. Habit five,
4:45deliberate memory training. Memory isn't
4:48separate from intelligence. It's
4:49foundational. Nicola Tesla could
4:51visualize entire machines, rotate them
4:54mentally, and test them in his mind.
4:57Ancient scholars trained memory
4:58deliberately because they understood a
5:01sharper memory creates faster reasoning.
5:04Techniques like active recall, spaced
5:07repetition, visualization
5:09don't just store information. They
5:11reorganize neural networks. MRI studies
5:15show memory trained individuals develop
5:17denser and more efficient brain
5:19connections. Smart habit. Recall before
5:22review. Explain ideas without notes.
5:25Teach what you learned. Memory is not
5:27talent. It's a trainable skill. Habit
5:30six, protecting cognitive energy. Smart
5:34people don't think all day. They think
5:36when their brain is strongest. Charles
5:38Darwin worked only four to five focused
5:40hours per day. The rest was walking,
5:43resting, reflecting, chronic stress,
5:46sleep deprivation, and constant
5:48stimulation damage executive function.
5:50One of the core components of IQ. Your
5:53brain doesn't upgrade during hustle. It
5:56upgrades during recovery. Smart habit.
5:58Sleep deeply. Move daily. Get sunlight.
6:01Allow boredom. Boredom is not weakness.
6:04It's cognitive recovery. Closing.
6:07Intelligence is a system. Here's the
6:10truth. IQ doesn't increase through
6:12hacks. It increases through habits. The
6:15smartest people in history didn't chase
6:17intelligence. They built systems that
6:19allowed intelligence to grow. If you
6:21want to think clearer, learn faster, and
6:23build a stronger mind, start with
6:26habits, not information. If this video
6:29changed how you think about
6:30intelligence, share it with someone who
6:32still believes IQ is fixed and subscribe
6:35for more science-based thinking,
6:37learning, and mental growth.