Exodus 9:14-17

9:14 For this time I will send all my plagues on your very self and on your servants and your people, so that you may know that there is no one like me in all the earth. 9:15 For by now I could have stretched out my hand and struck you and your people with plague, and you would have been destroyed from the earth. 9:16 But for this purpose I have caused you to stand: to show you my strength, and so that my name may be declared in all the earth. 9:17 You are still exalting yourself against my people by not releasing them.