Pareto Principle
Also known as the 80/20 rule, it suggests that a small minority of inputs or efforts lead to the majority of results or gains.
Videos Mentioning Pareto Principle

Cal Newport and Tim Ferriss Revisit “The 4-Hour Workweek” Plus Much More! | The Tim Ferriss Show
Tim Ferriss
A principle that states roughly 80% of effects come from 20% of causes. Tim Ferriss considers it a key concept for focusing on high-leverage tasks.

How to Generate 8 Figure Revenue at Age 21 Or Any Age | The Tim Ferriss Show (Podcast)
Tim Ferriss
A conceptual framework that states 80% of results come from 20% of effort, used by the co-founders to focus their time and efforts.

How to Ask Better Questions, Take Better Risks, and More! | The Tim Ferriss Show (Podcast)
Tim Ferriss
Also known as the 80/20 rule, used by Tim Ferriss for project selection and time management to identify the most impactful activities.

Psychology Expert: How Colours, Your First Name And Your Location Might Be Ruining Your Life!
The Diary Of A CEO
Also known as the 80/20 rule, it suggests that a small minority of inputs or efforts lead to the majority of results or gains.

If AI Takes Our Jobs… What’s Left for Humanity?
BigDeal by Codie Sanchez
Referred to as the 80/20 rule, suggesting that in the age of AI and automation, the principle shifts to 99/1.