we know that, in effect, the vital powers unexcited by motion, grow gradually languid; that as their vigour fails, obstructions are generated; and that from obstructions proceed most of those pains which wear us away slowly with periodical tortures, and which, though they sometimes suffer life to be long, condemn it to be useless, chain us down to the couch of misery, and mock us with the hopes of death.
Exercise cannot secure us from that dissolution to which we are decreed; but while the soul and body continue united, it can make the association pleasing, and give probable hopes that they shall be disjoined by an easy separation. It was a principle among the ancients, that acute diseases are from heaven, and chronical from ourselves; the dart of death indeed falls from heaven, but we poison it by our own misconduct; to die is the fate of man, but to die with lingering anguish is generally his folly.
It is necessary to that perfection of which our present state is capable, that the mind and body should both be kept in action; that neither the faculties of the one nor of the other be suffered to grow lax or torpid for want of use; that neither health be purchased by voluntary submission to ignorance, nor knowledge cultivated at the expense of that health, which must enable it either to give pleasure to its possessor, or assistance to others. It is too frequently the pride of students to despise those amusements and recreations, which give to the rest of mankind strength of limbs and cheerfulness of heart. Solitude and contemplation are indeed seldom consistent with such skill in common exercises or sports as is
