Wonders - A word used only of portents performed to prove divine intervention; they were the credentials of God’s messengers.

I will harden Pharaoh’s heart. —See the comment on Exodus 4:21.

My signs and my wonders.…

And I will harden. Since this expression is somewhat harsh, many commentators, as I have said before, take pains to soften it. For this re…

And I will harden Pharaoh's heart
(See Gill on Exodus 4:21) and multiply my signs and my wonder…

God glorifies himself. He makes people know that he is Jehovah. Israel comes to know it by the fulfillment of his promises to them, and the Egyptia…