"Then also in course might be read to them out of some not tedious writer the institution of physic; that they may know the tempers, the humours, the seasons, and how to manage a crudity; which he who can wisely and timely do, is not only a great physician to himself and to his friends, but also may at some time or other save an army by this frugal and expenseless means only; and not let the health" . . . .