A man named McArthur Wheeler used lemon juice as a disguise.

The effect of _dening___croj
In 1995, an American thief named MacArthur Wheeler was arrested trying to steal a bank in the middle of the day!
When the police questioned him, they asked him why the crime was committed at this time and without any means of denial.
He was surprised and collapsed screaming that he was disguised
The police had to face him with the video surveillance cameras he showed without any mask!

MacArthur replied with confidence and comfort that he had dabbed his face with lemon juice because he thought it was like a secret ink and that he would not recognize its features or be monitored by surveillance cameras!
This incident inspired the spiritual worlds "Dunning and Krueger" to launch the famous psychological theory, which was called b
(Effect of Dunning and Kruger.)
Which was as follows:
"People who are low-IQ and low-skilled are always feeling paranoid and confident of their weakest abilities"

If you think for a moment, you will find that their words are so logical that it is so frightening that these kinds of people are rampant everywhere around us.
In the writers and poets who boast of their weak words. In the media who is believed to be the holder of the banner of honor and the homeland with it is a failure and a liar .... In the political fool who fancy himself dangerous and no one like him! ... and in ....
At the same time you find many talented and intelligent suffer from the chaos and doubts and feelings of absurd that they do not deserve the success they have reached and are always afraid to be revealed at any time and call this phenomenon Syndrome crook

"The problem of the world is that fools and hard-liners are always very confident, and the wise are filled with doubts"