Psalms 104:20-23

Verse 20

Thou makest darkness - It is not the design of God that there should be either constant darkness or constant light. That man may labor, he gives him, by means of the sun, the light of the day; and that he may rest from his labor, and get his strength recruited, he gives him night, and comparative darkness. And as it would not be convenient for man and the wild beasts of the forest to collect their food at the same time, he has given the night to them as the proper time to procure their prey, and the day to rest in. When Man labors, They rest; when Man rests, They labor.
Verse 21

The young lions roar after their prey - It is said of the lion, that his roaring is so terrible as to astonish and quite unnerve the beast which he pursues; so that, though fleeter than himself, it falls down and becomes an easy prey.
Verse 22

The sun ariseth - The dawn of day is the warning for man to arise and betake himself to his work; and is the warning to them to retire to their dens.
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