Charles H. Spurgeon on Psalms 9:11

Being full of gratitude himself, our inspired author is eager to excite others to join the strain, and praise God in the same manner as he himself vowed to do in the first and second verses. The heavenly spirit of praise is gloriously contagious, and he that hath it is never content unless he can excite all who surround him to unite in his sweet employ. Singing and preaching, as means of glorifying God, are here joined together, and it is remarkable that, connected with all revivals of gospel ministry, there has been a sudden outburst of the spirit of song. Luther's Psalms and Hymns were in all men's mouths, and in the modern revival under Wesley and Whitefield, the strains of Charles Wesley, Cennick, Berridge, Toplady, Hart, Newton, and many others, were the outgrowth of restored piety. The singing of the birds of praise fitly accompanies the return of the gracious spring of divine visitation through the proclamation of the truth. Sing on brethren, and preach on, and these shall both be a token that the Lord still dwelleth in Zion. It will be well for us when coming up to Zion, to remember that the Lord dwells among his saints, and is to be had in peculiar reverence of all those that are about him.