Charles H. Spurgeon on Psalms 65:13

The pastures are clothed with flocks. The clothing of man first clothes the fields. Pastures appear to be quite covered with numerous flocks when the grass is abundant. The valleys also are covered over with corn. The arable as well as the pasture land is rendered fruitful. God's clouds, like ravens, bring us both bread and flesh. Grazing flocks and waving crops are equally the gifts of the Preserver of men, and for both praise should be rendered. Sheep shearing and harvest should both be holiness unto the Lord. They shout for joy. The bounty of God makes the earth vocal with his praise, and in opened ears it lifts up a joyous shout. The cattle low out the divine praises, and the rustling ears of grain sing a soft sweet melody unto the Lord.

"Ye forests bend, ye harvests wave to him;

Breathe your still song into the reaper's heart,

As home he goes beneath the joyous moon.

Bleat out afresh, ye hills; ye mossy rocks

Retain the sound; the broad responsive low

Ye valleys raise; for the GREAT SHEPHERD reigns,

And his unsuffering kingdom yet will come."

They also sing. The voice of nature is articulate to God; it is not only a shout, but a song. Well ordered are the sounds of animate creation as they combine with the equally well tuned ripple of the waters, and sighings of the wind. Nature has no discords. Her airs are melodious, her chorus is full of harmony. All, all is for the Lord; the world is a hymn to the Eternal, blessed is he who, hearing, joins in it, and makes one singer in the mighty chorus.