Once the famous English writer Jonfthan Swift decided to go for a walk. His servant brought his shoes. The writer said, "What does it mean, Tom? You haven’t polished my shoes.”"No, sir,” the servant answered, "I thought you were going for a walk and your shoes would be dirty again soon.”"OK”, Swift said, "come on, I want you to accompany me.”"But I haven’t had brekfast yet.”"It doesn’t matter. You will be hungry again soon.”