I suppose that it is profitable, rather than bold, for me to endeavor to teach the art of meditation. It is as heavenly a business as any that belongs to either men or Christians. And it is such a heavenly business as does unspeakably benefit the soul. For it is by meditation that we ransack our deep and false hearts, find out our secret enemies, come to grips with them, expel them, and arm ourselves against their re-entrance. By meditation we make use of all good means, fit ourselves for all good duties. By meditation we see our weaknesses, obtain redress, prevent temptations, cheer up our...