I. God is praised by a song, which is, 1. A very natural expression of rejoicing. Is any merry? Let him sing; and holy joy is the very soul and root of praise and thanksgiving. God is pleased to reckon himself glorified by our joy in him, and in his wondrous works. His servants' joy is his delight, and their songs are melody to him. 2. A very proper expedient for spreading the knowledge and perpetuating the remembrance of great events. Neighbours would learn this song one of another and children of their parents; and by that means those who had not books, or could not read, yet would be made acquainted with these works of God; and one generation would thus praise God's works to another, and declare his mighty acts, Ps. cxlv. 4, &c.