Now there are short and simple exercises which tire the body rapidly, and so save our time; and time is something of which we ought to keep strict account. These exercises are running, brandishing weights, and jumping, – high-jumping or broad-jumping, or the kind which I may call, "the Priest's dance," or, in slighting terms, "the clothes-cleaner's jump." Select for practice any one of these, and you will find it plain and easy.
