He turned their waters into blood, and slew their fish.
God chose one people freely from all nations and bound Himself to them by covenant. He did not merely speak His promises to Abraham and his seed; He proved them true across centuries with unnumbered mercies, so that those delivered from Egypt would keep faith with Him and serve Him faithfully.
AI summary
Commenting on Psalm 105:1-45
He turned their waters into blood, and slew their fish. So that the plague was not a mere colouring of the water with red earth, as some suppose, but the river was offensive and fatal to the fish. The beloved Nile and other streams were all equally tainted and ensanguined. Their commonest mercy became their greatest curse.
After the history of the patriarchs follows here the history of the people of Israel, when they grew into a nation. I. Their affliction in Egypt (Psa 105:25): He turned the heart of the Egyptians, who had protected them, to hate them and deal subtilely with them.
Commenting on Psalm 105:25-45