Exodus 7:23 in the King James Version
And Pharaoh turned and went into his house, neither did he set his heart to this also.
Context
22 The magicians of Egypt did the same thing with their enchantments. So Pharaoh’s heart was hardened, and he didn’t listen to them, as the LORD had spoken.
23 Pharaoh turned and went into his house, and he didn’t even take this to heart.
24 All the Egyptians dug around the river for water to drink; for they couldn’t drink the river water.