GeniusThinking Profile picture
Feb 3, 2024 16 tweets 5 min read Read on X
A "cognitive bias" is a systematic error in thinking that ruins decision-making.

The 12 most powerful cognitive biases I've found: Image
Parkinson's Law: work expands to fill the time given.

When we have more time, we tend to procrastinate and become inefficient.

A good reminder to track your tasks duration and energy level. Image
Goodhart's Law:

When a measure becomes a goal, it stops being a good measure.

I.g: Exams and standard admission shifted the focus of education.

It's no longer about the students, but about grades and pay. Image
The Curse of Knowledge:

Experts assume everyone knows what they know.

But they struggle to teach or lead effectively for those still learning.

Simplicity is an art. Image
The Bandwagon Effect:

We humans are social creatures, which has its benefits.

But there's a downside too...

We often follow the crowd without thinking, just because everyone else is doing it.

Beware of the Bandwagon Effect, it's like "groupthink" and can be risky. Image
Egocentric Bias:

We tend to think more highly of ourselves than we should.

In group activities, we overestimate our contributions compared to others. Image
Cynicism

"Cynical people may seem smarter, but research suggests they're actually less intelligent.

Deep cynicism is a defense mechanism (may results in neuroticism), not a sign of true intelligent.

Moderate dose advised. Image
Skinner's Law:

• When procrastinating, you have 2 choices:

1. Make not doing it more painful than doing it.

2. Make doing it more enjoyable than not doing it. Image
Hofstadter's Law:

Projects always take longer and cost more than you expect, even when you consider Hofstadter's Law.

Double the time, triple the cost—despite your best calculations. Image
Elon's Law:

Beat Hofstadter's Law with an insanely ambitious deadline. Even if it takes 3x longer, you're still ahead of the game.

Elon Musk missing his super deadlines is a feature, not a bug. Image
Loss Aversion

Discovered by scientists Tversky and Kahneman, it reveals that the pain of losing is stronger than the pleasure of winning.

As a result, humans will go to greater lengths to avoid losses than to pursue gains. Image
Hitchen's Razor:

Claims without evidence can't be verified. When in doubt, clarify and ask for proof. Image
The Discomfort Zone Razor:

Embrace discomfort for growth.

Seek comfort and for stagnation.

1000 uncomfortable hours > 10,000 comfortable hours. Image
Occam's Razor:

• Simple assumptions are often right.

• Don't overcomplicate things with too many assumptions. Image
If you want my collection of mental models, cognitive biases, and cognitive tendencies, grab a copy of my product here:

feynmanism.gumroad.com/l/mentalmodels
If you enjoyed this content, consider giving @feynmanism a follow and check out my Feynman Technique Notion template:

feynmanism.gumroad.com/l/feynmantechn…

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More from @GeniusGTX

Dec 19
A "cognitive bias" is a systematic error in thinking that destroys decision-making.

11 most powerful (and dangerous) cognitive biases I've found: 🧵

1. Parkinson's Law: Image
1. Parkinson's Law

Work expands to fill the time given.

When we have more time, we tend to procrastinate and become inefficient.

A good reminder to track your task duration and energy level. Image
2. Goodhart's Law:

When a measure becomes a goal, it stops being a good measure.

I.g: Exams and standard admission shifted the focus of education.

It's no longer about the students, but about grades and pay. Image
Read 15 tweets
Dec 18
In 1905, a female scientist discovered the XX XY Chromosomes.

But a man stole her work and won all the acclaim.

She died in forgotten obscurity at just 50.

Here's how Nettie Stevens' discovery was stolen in daylight... 🧵 Image
Image
Born in 1861 in Cavendish, Vermont, Nettie Stevens broke all the rules for women...

Most women get married at 22.
Nettie chose education.

She worked 14 years as a teacher and librarian, saving every dollar.

At 35, she finally had enough to attend Westfield State Normal School...
Stevens earned her PhD from Bryn Mawr College in 1903 at 39.

Her mentor called her "the most skilled investigator I've ever trained."

Meanwhile, Edmund Wilson at Columbia was making similar discoveries.

Their paths would soon cross in science history. Image
Read 15 tweets
Dec 17
In 1238, Granada's engineers pulled off the biggest feat in medieval history:

They built a self-sustaining water system 200 meters up a mountain.

No pumps. No electricity. No downtime. But what they created next nearly destroyed physics forever.

Here's the full story: 🧵 Image
While other medieval cities fell to Christian armies during the Reconquista, Granada remained unconquered for over 250 years.

The secret?

The Alhambra Palace - a fortress of such genius engineering that even modern NASA scientists study its systems.
The challenge seemed impossible:

Power an entire city 200 meters above the Darro River without modern pumps.

For context: That's like running water up a 60-story skyscraper using only medieval technology.

The margin for error? Zero. Image
Image
Read 17 tweets
Sep 19
A "cognitive bias" is a systematic error in thinking that destroys decision-making.

11 most powerful (and dangerous) cognitive biases I've found:

1. Parkinson's Law: Image
1. Parkinson's Law

Work expands to fill the time given.

When we have more time, we tend to procrastinate and become inefficient.

A good reminder to track your task duration and energy level. Image
2. Goodhart's Law:

When a measure becomes a goal, it stops being a good measure.

I.g: Exams and standard admission shifted the focus of education.

It's no longer about the students, but about grades and pay. Image
Read 16 tweets
Sep 10
In the 1940s, Australia built a town on the deadliest dust in history:

They built a mine on newly discovered “blue gold.”

But what they created turned Wittenoom into the most toxic ghost town on Earth.

Welcome to Australia's Secret Chernobyl: 🧵 Image
Wittenoom, Western Australia.

In the 1940s it looked like opportunity—a mining town built on “blue gold.”

Men came for work, families built homes.

What they didn’t know: the very air was laced with fibers that would one day kill them. Image
Kids played in mounds of tailings like sandpits.

Mothers shook laundry coated in fine powder.

Workers came home with clothes so thick with fibers they left trails across the floor. Image
Image
Image
Read 14 tweets
Sep 3
70 years ago, a woman discovered nuclear fission.

But her male colleague stole her work and won the Nobel Prize.

She fled Nazi Germany empty handed and died without a word.

Here's how the biggest theft in science buried Lise Meitner's name in history: 🧵 Image
Image
Born in Vienna in 1878, Lise Meitner fought to enter a field that actively excluded women.

Universities across Europe severely limited female students, especially in physics...
At age 27, Meitner became only the second woman to earn a physics doctorate from the University of Vienna in 1906.

Her exceptional work caught Max Planck's attention in Berlin, despite his earlier reservations about women scientists.

His support changed her life... Image
Image
Read 23 tweets

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