Once a mouse swallowed diamond owned by a wise man. The owner of diamond consulted a hunter to killed the mouse.
The hunter asked the contacting person that there would be many mouse in your house but how will you identify that which mouse has swallowed the diamond.
The wise man replied that it is my job to identify, your job is just to kill it.
The hunter came and on identification of the wise man shot death the mouse.
Surprisingly, the diamond was also recovered from stomach of the killed mouse.
The hunter questioned the wise man that how you identified the mouse that which mouse swallowed the diamond among dozens of mouses.
He said that you may noticed that the said mouse was sitting in isolation from other mouses which others were engaged with each other.
The wise man said that same happens in the practical life that when an ungenerous person gets something that was out of his reach, he gets proud and separates himself from other people.