There are not various rules of life, but one perpetual and inflexible rule; and, therefore, when David describes the righteous as spending their whole lives in meditating on the Law (Psalm 1:2), we must not confine to a single age, an employment which is most appropriate to all ages, even to the end of the world. Nor are we to be deterred or to shun its instructions, because the holiness which it prescribes is stricter than we are able to render, so long as we bear about the prison of the body.
