Carelessness and laziness are both great causes of worry. The careless man, the lazy man are each indifferent as to how their work is done; such men seldom do well that which they undertake. Everything carelessly or lazily done is incomplete, inadequate, incompetent, and, therefore, a source of distress, discontent, and worry. A careless or lazy plumber causes much worry, for, even though his victims may have learned the lesson I am endeavoring to inculcate throughout these pages, it is a self-evident proposition that they will not allow his indifferent work to stand without correction. Therefore, the telephone bell calls continually, he or his men must go out and do the work again, and when pay-day comes, he fails to receive the check good work would surely have made forthcoming to him. The schoolboy, schoolgirl, has to learn this lesson, and the sooner the better. The teacher never nags the careful and earnest student; only the lazy and careless are worried by extra lessons, extra recitals, impositions, and the like. All through life carelessness and laziness bring worry, and he is a wise person who, as early as he discovers these vices in himself, seeks to correct or, better still, eliminate them. Another form of worry is that wherein the worrier is sure that no one is to be relied upon to do his duty. Dickens, in his immortal _Pickwick Papers_, gives a forceful example of this type. Mr. Magnus has just introduced himself to Pickwick, and they find they are both going to Norwich on the same stage. 'Now, gen'lm'n,' said the hostler, 'Coach is ready, if you please.' 'Is all my luggage in?' inquired Magnus. 'All right, Sir.' 'Is the red bag in?' 'All right, Sir.' 'And the striped bag?' 'Fore boot, Sir.' 'And the brown-paper parcel?' 'Under the seat, Sir.' 'And the leathern hat-box?' 'They're all in, Sir.' 'Now will you get up?' said Mr. Pickwick. 'Excuse me,' replied Magnus, standing on the wheel. 'Excuse me, Mr. Pickwick, I cannot consent to get up in this state of uncertainty. I am quite satisfied from that man's manner, that that leather hat-box is not in.' The solemn protestations of the hostler being unavailing, the leather hat-box was obliged to be raked up from the lowest depth of the boot, to satisfy him that it had been safely packed; and after he had been assured on this head, he felt a solemn presentiment, first, that the red bag was mislaid, and next, that the striped bag had been stolen, and then that the brown-paper parcel had become untied. At length when he had received ocular demonstration of the groundless nature of each and every one of these suspicions, he consented to climb up to the roof of the coach, observing that now he had taken everything off his mind he felt quite comfortable and happy.