John Gills Exposition of the Bible Commentary - Psalms 104:30
Thou sendest forth thy Spirit, they are created ,.... Thy Holy Spirit, as the Targum, who was at first concerned in the creation of all things, the heavens and the earth, and man upon it, Genesis 1:2 , Job 26:13 which may be alluded to here; though it seems chiefly to intend the generation and production of creatures in the room of those that die off; that so their species may be preserved, and there may be a constant succession of them, as there is in all ages, Ecclesiastes 1:4 . ... read more
Matthew Henry's Complete Commentary - Psalms 104:19-30
We are here taught to praise and magnify God, I. For the constant revolutions and succession of day and night, and the dominion of sun and moon over them. The heathen were so affected with the light and influence of the sun and moon, and their serviceableness to the earth, that they worshipped them as deities; and therefore the scripture takes all occasions to show that the gods they worshipped are the creatures and servants of the true God (Ps. 104:19): He appointed the moon for seasons, for... read more