Basic Law of Human stupidity:

1. Always and inevitably everyone underestimates the number of stupid individuals in circulation. - #678475
2. The probability that a certain person be stupid is independent of any other characteristic of that person. - #679184
3. A stupid person is a person who causes losses to another person or to a group of persons while himself deriving no gain and even possibly incurring losses. - #681686
4. Non-stupid people always underestimate the damaging power of stupid individuals. ln particular non-stupid people constantly forget that at all times and places and under any circumstances to deal and/or associate with stupid people infallibly turns out to be a costly mistake. - #685370
5. A stupid person is the most dangerous type of person. - #685370