After dinner everyone was sitting and talking. There was an argument about something, and then Dad told the story.
The story
Long ago, there was a king, the king had a huge kingdom. Everything was going well, suddenly one day the king's enumerator counted and said to the king _ Maharaja I have calculated, one day it will rain and everyone will get wet in the rain and everyone will go crazy after drinking rain water.
According to the reckoner, so it was, but the king and one of his servants cleverly drank the rainwater and collected it.
Everyone in the kingdom went mad, except the king and one slave.
All the madmen of the kingdom began to call the king and the slaves mad. The situation worsens, and then the king and the slave go mad after drinking the collected rainwater. And then all the lunatics of the kingdom said that the king and the slaves were well.
The advice in this story is - where there are ten bad people, there is no benefit from one good person.
One out of ten will have to go there.