Great scientist Issac Newton who was known for his concentration and absent mindedness once invited his friends to dinner. When he was taking dinner an idea rose in his mind.Then he immediately he to his room and got busy in his study and started doing calculations. He busy so much that he had forgotten everything of his friends that he was doing dinner. After sometime when the friends saw that Newton was not with them ,then they worried and immediately search in the party to search him.After a few minutes they discovered him in his study. They had told Newton about how they felt when he was not There. Newton realised that it was his mistake and he regret in front of his friends.