Exodus 9:16, 34
Exodus 9:16 NKJV
But indeed for this purpose I have raised you up, that I may show My power in you, and that My name may be declared in all the earth.
Exodus 9:34 NKJV
And when Pharaoh saw that the rain, the hail, and the thunder had ceased, he sinned yet more; and he hardened his heart, he and his servants.