2 and if thou art refusing to send away, lo, I am smiting all thy border with frogs; 3 and the River hath teemed 'with' frogs, and they have gone up and gone into thy house, and into the inner-chamber of thy bed, and on thy couch, and into the house of thy servants, and among thy people, and into thine ovens, and into thy kneading-troughs; 4 yea, on thee, and on thy people, and on all thy servants do the frogs go up.' 5 And Jehovah saith unto Moses, 'Say unto Aaron, Stretch out thy hand, with thy rod, against the streams, against the rivers, and against the ponds, and cause the frogs to come up against the land of Egypt.' 6 And Aaron stretcheth out his hand against the waters of Egypt, and the frog cometh up, and covereth the land of Egypt; 7 and the scribes do so with their flashings, and cause the frogs to come up against the land of Egypt.
Matthew Henry's Commentary on Exodus 8:2-7
Commentary on Exodus 8:1-15
(Read Exodus 8:1-15)
Pharaoh is plagued with frogs; their vast numbers made them sore plagues to the Egyptians. God could have plagued Egypt with lions, or bears, or wolves, or with birds of prey, but he chose to do it by these despicable creatures. God, when he pleases, can arm the smallest parts of the creation against us. He thereby humbled Pharaoh. They should neither eat, nor drink, nor sleep in quiet; but wherever they were, they should be troubled by the frogs. God's curse upon a man will pursue him wherever he goes, and lie heavy upon him whatever he does. Pharaoh gave way under this plague. He promises that he will let the people go. Those who bid defiance to God and prayer, first or last, will be made to see their need of both. But when Pharaoh saw there was respite, he hardened his heart. Till the heart is renewed by the grace of God, the thoughts made by affliction do not abide; the convictions wear off, and the promises that were given are forgotten. Till the state of the air is changed, what thaws in the sun will freeze again in the shade.