they design, and perform what they have promised.




_Exercise & Temperance the best Preservative of Health._


1. Bodily labor is of two kinds, either that which a man submits to for
his livelihood, or that which he undergoes for his pleasure. The latter
of them generally changes the name of labor for that of exercise, but
differs only from ordinary labor as it rises from another motive.

A country life abounds in both these kinds of labor, and for that reason
gives a man a greater stock of health, and consequently a more perfect
enjoyment of himself, than any other way of life.

2. I consider the body as a system of tubes and glands, or, to use a
more rustic phrase, a bundle of pipes and strainers, fitted to one
another after so wonderful a manner, as to make a proper engine for the
soul to work with. This description does not only comprehend the bowels,
bones, tendons, veins, nerves and arteries, but every muscle and every
ligature, which is a composition of fibres, that are so many
imperceptible tubes or pipes interwoven on all sides with invisible
glands or strainers.

3. This general idea of a human body, without considering it in its
niceties of anatomy, let us see how absolutely necessary labor is for
the right preservation of it. There must be frequent motions and
agitations, to mix, digest, and separate the juices contained in it, as