The Peter Principle is only the beginning.

This month marks 105 years since the birth of a very wise man: Laurence Johnston Peter. You know him for inventing “The Peter Principle”…

People will tend to be promoted until they reach their position of incompetence.

It’s funny because it’s true. But as we celebrate Peter, let’s also remember some other short rules that deliver big lessons…

The Shirky Principle

“Institutions will try to preserve the problem to which they are the solution.”

Sayre’s Law

“In any dispute, the intensity of feeling is inversely proportional to the value of the issues at stake.”

Amara’s Law

“We tend to overestimate the effect of a technology in the short run and underestimate the effect in the long run.”

Brook’s Law

“Adding manpower to a late software project makes it later.”

Cunningham’s Law

“The best way to get the right answer on the Internet is not to ask a question, it’s to post the wrong answer.”

Dilbert’s Law

“Leadership is nature’s way of removing morons from the productive flow.”

Hanlon’s Razor

“Never attribute to malice that which is adequately explained by stupidity.”

Hofstadter’s Law

“It always takes longer than you expect, even when you take into account Hofstadter’s Law.”

Parkinson’s Law

“Work expands so as to fill the time available for its completion.”

Muphry’s Law

“When a person criticizes another’s editing or proofreading, there will be a mistake of a similar kind in that criticism.”

Meet the Author

Michael Koretzky

Michael Koretzky


Koretzky is a PFE-certified debt management professional and the editor of

Career and Business

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Article last modified on January 17, 2018 Published by, LLC . Mobile users may also access the AMP Version: 15 funny rules about business and money - AMP.