A multidisciplinary approach to critical, clear & independent thinking.
A mental model is a representation of an external reality inside your head—a kind of cognitive map. The purpose of mental models is to gain and understand knowledge about the world through key multidisciplinary concepts. The closer you get your cognitive process (the way your brain approaches a problem) to reality, the better the decisions you’ll make in life.

Below are some of the featured mental models. Use dropdown to see all posts.

Central Limit Theorem


When adding random variables to a formula, expect the outcome to reflect a normal distribution.

Competitive Advantage


This describes circumstances wherein one party has significantly more experience, knowledge, or resources than a competitor.

Mr. Market


Mr. Market is a metaphor that represents moody behavior of stock market fluctuation.

Economic Moat


A competitive advantage a company has over its competitors to protect its market share and long-term profitability.

Circle of Competency


Describes a person’s competency in an area that matches their skills and abilities.

Regression to the Mean


What goes up must come down and what goes down must come up. Periods of above averages are followed by below averages.

Correlation and Causation


Two things happening at the same time is correlation while one causing the other to change is causation.

Reason Respecting Tendency


Asking questions can help us reason more and gain better understanding of things around us.



A giving up of one thing in return for another. The goal is to find the trade-off which will produce the most desirable outcomes.



By using a lever, you can amplify the input force. Think of a see-saw.