Moses and Aaron did as the LORD commanded. In the sight of Pharaoh and in the sight of his servants he lifted up the staff and struck the water in the Nile, and all the water in the Nile turned into blood.
20. And Moses and Aaron did so. He repeats that what God threatened as to the death of the fish, and the stinking of the Nile, actually took place; that he may aggravate the sin of the king, who was unaffected by the manifold power of God. Still he immediately adds that his counsellors witnessed it also. Hence we may conjecture, that the same infatuation had pervaded the whole court.
Water turned to blood strikes horror into the soul, but the justice runs deeper: Egypt made an idol of the Nile, and God justly turned their god into a curse. Whatever creature we worship instead of the Creator, the Lord will either remove from us or make bitter to our taste.
AI summary
Commenting on Exodus 7:14-25
And Moses and Aaron did so, as the Lord commanded,.... Moses delivered the rod to Aaron, who took it and went to the water side: and he lift up the rod, and smote the waters that were in the river; or "in that river" (i), the river Nile, on the brink of which Pharaoh then stood: in the sight of Pharaoh, and in the sight...