WHAT IS RELIGION?—Religion is not so much a single duty as a something that has to do with all duties—not a tax to be paid periodically and got rid of at other times, but a ceaseless, all-pervading, inexhaustible tribute to Him who is not only the object of religious worship, but the end of our very life and being. Piety is not for Sabbaths only, but for all days; spirituality of mind is not appropriate to one set of actions and an impertinence and intrusion with reference to others, but like the act of breathing, like the circulation of the blood, like the silent growth of the stature, a process that may be going on simultaneously with all our actions—when we are busiest as when we are idlest—in the church, in the world; in solitude, in society; in our grief and in our gladness; in our toil and in our rest; sleeping, walking; by day, by night—amid all the engagements and exigencies of life.