They don't. The Pharaoh had no choice. It's like dying; your Bible says it's predestined, and Paul says it God's will, not yours:
Now, you may wish to believe otherwise, but your Bible says it's not your will or choice.
Pharaoh did have a choice, at first. He was the one who initially hardened his heart.
God wishes all to come to repentance, but sometimes He gives people what they want.
2 Peter 3:9
The Lord is not slow to fulfill his promise as some count slowness, but is patient toward you, not wishing that any should perish, but that all should reach repentance.
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Even you...
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Acts 17:24-31 The God who made the world and everything in it, being Lord of heaven and earth, does not live in temples made by man, nor is he served by human hands, as though he needed anything, since he himself gives to all mankind life and breath and everything. And he made from one man every nation of mankind to live on all the face of the earth, having determined allotted periods and the boundaries of their dwelling place, that they should seek God, in the hope that they might feel their way toward him and find him. Yet he is actually not far from each one of us, for
“’In him we live and move and have our being’;
as even some of your own poets have said,
“’For we are indeed his offspring.’
Being then God’s offspring, we ought not to think that the divine being is like gold or silver or stone, an image formed by the art and imagination of man. The times of ignorance God overlooked, but now he commands all people everywhere to repent, because he has fixed a day on which he will judge the world in righteousness by a man whom he has appointed; and of this he has given assurance to all by raising him from the dead.”
k-Now, you may wish to believe otherwise, but your Bible says it's not your will or choice.
No, you're missing the point. It IS your will. Your will is to do the things that are not of God. God must pry your heart open to hear His word. When the scripture tells us God hardens a person's heart, such as He did with Pharaoh, what it is saying is that God is not prying their hearts open. He just leave it as it is. The result is a further hardening.
Evidently on your reading, dear kosta: You read the scriptures as if they were legal documents, challenging the authority of every line, setting yourself up as the ultimate arbiter of the meaning of the text....
I don't read them that way. To me they are the Word of God and thus of unquestionable authority. They are His self-revelation to us, "told truly, though not exhaustively."
So I don't know how we "get on the same page," kosta dear.
BTW, it's not "my" Bible. It is THE Bible.