21 Then Jehovah said to Moses: “After you have returned to Egypt, see that you perform before Pharʹaoh all the miracles that I have empowered you to do.+ But I will allow his heart to become obstinate,+ and he will not send the people away.+

34 When Pharʹaoh saw that the rain, the hail, and the thunder had stopped, he sinned again and hardened his heart,+ he as well as his servants.