So Moses and Aaron went to Pharaoh and told him, “This is what the LORD, the God of the Hebrews, says: ‘How long will you refuse to humble yourself before Me? Let My people go, so that they may worship Me.
3. And Moses and Aaron came in. Moses now relates how, at God’s command, he tried whether Pharaoh’s heart, after so many experiments, would be bent to obedience out of fear of the new punishment which impended. But by this proof his impiety was better known, since, although he saw his kingdom deprived of a part of its corn, he fears not what is denounced...
Here, I. Moses is instructed. We may well suppose that he, for his part, was much astonished both at Pharaoh's obstinacy and at God's severity, and could not but be compassionately concerned for the desolations of Egypt, and at a loss to conceive what this contest would come to at last.
Commenting on Exodus 10:1-11
And Moses and Aaron came in unto Pharaoh,.... As the Lord commanded them, for what is before said to Moses was designed for Aaron also, his prophet and spokesman: and said unto him, thus saith the Lord God of the Hebrews; as the ambassadors of the God of Israel, and in his name said: how long wilt thou refuse to humble thyself before me?