What causes stupidity?

[⊙＿⊙]

What causes stupidity?

https://answers.yahoo.com/question/index?qid=20111013052615AA33c7p

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http://harmful.cat-v.org/people/basic-laws-of-human-stupidity/

THE BASIC LAWS OF HUMAN STUPIDITY
By Carlo M. Cipolla
illustrations by James Donnelly

Table of contents
The first basic law of human stupidity
The second basic law
The third (and golden) basic law
Frequency distribution
The power of stupidity
The fourth basic law
The fifth basic law

[⊙＿⊙]

Post by ⊙＿⊙
What causes stupidity?
https://answers.yahoo.com/question/index?qid=20111013052615AA33c7p
-----
http://harmful.cat-v.org/people/basic-laws-of-human-stupidity/
THE BASIC LAWS OF HUMAN STUPIDITY
By Carlo M. Cipolla
illustrations by James Donnelly
Table of contents
The first basic law of human stupidity
The second basic law
The third (and golden) basic law
Frequency distribution
The power of stupidity
The fourth basic law
The fifth basic law

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