13 Still, Pharʹaoh’s heart became obstinate,+ and he did not listen to them, just as Jehovah had said.

17 For the scripture says to Pharʹaoh: “For this very reason I have let you remain: to show my power in connection with you and to have my name declared in all the earth.”+ 18 So, then, he has mercy on whomever he wishes, but he lets whomever he wishes become obstinate.+