May we not see in the attitude of David's choristers as they sang, hints for our own discharge of the tasks of our Christian service? There was a curse of old on him who did the work of the Lord 'negligently,' and its weight falls still on workers and work. For who can measure the harm done to the Christian life of the negligent worker, and who can expect any blessing to come either to him or to others from such half-hearted seeming service? The devil's kingdom is not to be cast down nor Christ's to be builded up by workers who put less than their whole selves, the entire weight of their bodies, into their toil. A pavior on the street brings down his rammer at every stroke with an accompanying exclamation expressing effort, and there is no place in Christ's service for dainty people who will not sweat at their task, and are in mortal fear of over-work. Strenuousness, the gathering together of all our powers, are implied in the attitude of Heman and his band as they 'stood' in their office. Idle revellers might loll on their rose-strewn couches as they 'sing idle songs to the sound of the viol and devise for themselves instruments of music, like David,' but the austerer choir of the Temple despised ease, and stood ready for service and in the best bodily posture for song. The second important word of the text brings other thoughts no less valuable and rich in practical counsel. The singers in the Temple stood in their 'office,' which was song. Their special work was praise. And that is the highest task of the Church. As a matter of fact, every period of quickened earnestness in the Church's life has been a period marked by a great outburst of Christian song. All intense emotion seeks expression in poetry, and music is the natural speech of a vivid faith. Luther chanted the Marseillaise of the Reformation, 'A safe stronghold our God is still,' and many another sweet strain blended strangely with the fiery and sometimes savage words from his lips. The Scottish Reformation, grim in some of its features as it was, had yet its 'Gude and Godly Ballads.' At the birth of Methodism, as round the cradle at Bethlehem, hovered as it were angel voices singing, 'Glory to God in the highest.' A flock of singing birds let loose attends every revival of Christian life. The Church's praise is the noblest expression of the Church's life. Its hymns go deeper than its creeds, touch hearts more to the quick, minister to the faith which they enshrine, and often draw others to see the preciousness of the Christ whom they celebrate. How little we should have known of Old Testament religion, notwithstanding law and prophets, if the Psalter had perished!