Pharaoh sent people to see if any of the animals of Israel died. And not one of the animals of Israel died. Pharaoh remained stubborn. He did not let the people go.
If a person is stubborn and becomes more angry every time people tell him that he is doing wrong, then that person will be destroyed. There is no hope.
I did that because I knew\par you were stubborn.\par \{You refused to believe anything I said\}.\par You were very stubborn—\par like iron \{that does not bend\}\par and as hard as bronze.\par