Exodus 9:14

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.

Exodus 9:29-30

9:29 Moses said to him, “When I leave the city I will spread my hands to the Lord, the thunder will cease, and there will be no more hail, so that you may know that the earth belongs to the Lord. 9:30 But as for you and your servants, I know that you do not yet fear the Lord God.”