Fear of the unknown

One person has committed a crime. He was caught and brought to trial before the king. For his act relied death penalty, but the king invited him to choose his destiny: either be hanged or get behind a large, black, terrible steel door. Offender to think and choose the gallows.
When his neck threw the noose, he suddenly said:
 - I was curious: there, behind that door?
King laughed:
 - Yes, that's, you know, funny thing is impossible. I suggest that all this choice, and all choose the gallows.
 - And the door-what? - Tried to find out the culprit. - I still will not tell anyone - he added, pointing to the loop.
After a pause, the king replied:
 - There is freedom. But people are so afraid of the unknown, they prefer her rope ...