Albert Barnes' Notes on the Whole Bible - Psalms 66:6
He turned the sea into dry land - The Red Sea, when he brought his people out of Egypt, Exodus 14:21. This was an illustration of his power, and of his ability to defend and deliver his people. The terror in that case, or that which was “terrible,” was the overthrow of their enemies the destruction of the Egyptians in the Red Sea - thus showing that he had power to destroy all the enemies of his people.They went through the flood on foot - literally, “through the river.” It is probable that the... read more
The Pulpit Commentary - Psalms 66:7
He ruleth by his power forever; his eyes behold (or, observe ) the nations . God keeps perpetual watch upon the heathen nations, whose general attitude is that of hostility to his "peculiar people," lest his people should suffer at their hands. Although they may professedly be submissive ( Psalms 66:3 ), their submission is not to be depended on. Let not the rebellious exalt themselves. At any time rebellion may break out, his people be attacked, and "the nations" endeavour to... read more