At thy rebuke; upon thy severe command, Genesis 1:9; which he calls a rebuke, to imply that there was something in that state of things which might seem to need reproof and correction, even that confusion of earth and water together, which therefore God amended in his second day's work. They fled; they immediately went to the place which God had allotted to them. Of thy thunder; of thy sovereign command, which as they could not but hear, so they durst not disobey. He ascribes sense and reason to inanimate creatures by a figure called prosopopaeia.
Related Commentaries of Psalms 104:7
Psalms 104:7
7 At thy rebuke they fled; at the voice of thy thunder they hasted away.