'Obstinate' in the Bible

But the magicians of Egypt did the same by their secret arts and enchantments; so Pharaoh’s heart was hardened, and he did not listen to Moses and Aaron, just as the Lord had said.

But the Lord hardened the heart of Pharaoh, and he did not listen or pay attention to them, just as the Lord had told Moses.

Pharaoh’s heart was hardened, and he did not let the Israelites go, just as the Lord had said through Moses.

But the Lord hardened Pharaoh’s heart [so that it was even more resolved and obstinate], and he did not let the Israelites go.