Exodus 14:4, 10, 31

And I will harden Pharaoh’s heart, and he will pursue them. But I will gain glory for myself through Pharaoh and all his army, and the Egyptians will know that I am the LORD.” So the Israelites did this.

As Pharaoh approached, the Israelites looked up, and there were the Egyptians, marching after them. They were terrified and cried out to the LORD.

And when the Israelites saw the mighty hand of the LORD displayed against the Egyptians, the people feared the LORD and put their trust in him and in Moses his servant.