Exodus 4:21
4:21 The Lord said to Moses, “When you go back to Egypt, see that you do before Pharaoh all the wonders I have put under your control. But I will harden his heart and he will not let the people go.
Exodus 7:22
7:22 But the magicians of Egypt did the same by their secret arts, and so Pharaoh’s heart remained hard, and he refused to listen to Moses and Aaron – just as the Lord had predicted.
Exodus 8:19
8:19 The magicians said to Pharaoh, “It is the finger of God!” But Pharaoh’s heart remained hard, and he did not listen to them, just as the Lord had predicted.
Exodus 9:7
9:7 Pharaoh sent representatives to investigate, and indeed, not even one of the livestock of Israel had died. But Pharaoh’s heart remained hard, and he did not release the people.
Exodus 15:8
15:8 By the blast of your nostrils the waters were piled up,
the flowing water stood upright like a heap,
and the deep waters were solidified in the heart of the sea.
Exodus 28:29
28:29 Aaron will bear the names of the sons of Israel in the breastpiece of decision over his heart when he goes into the holy place, for a memorial before the Lord continually.
Exodus 35:21
35:21 Everyone whose heart stirred him to action and everyone whose spirit was willing came and brought the offering for the Lord for the work of the tent of meeting, for all its service, and for the holy garments.
Exodus 35:29
35:29 The Israelites brought a freewill offering to the Lord, every man and woman whose heart was willing to bring materials for all the work that the Lord through Moses had commanded them to do.