Genesis 15:13

15:13 Then the Lord said to Abram, “Know for certain that your descendants will be strangers in a foreign country. They will be enslaved and oppressed for four hundred years.

Exodus 9:16

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.

Exodus 10:1

The Eighth Blow: Locusts

10:1 The Lord said to Moses, “Go to Pharaoh, for I have hardened his heart and the heart of his servants, in order to display these signs of mine before him,

Deuteronomy 2:30

2:30 But King Sihon of Heshbon was unwilling to allow us to pass near him because the Lord our God had made him obstinate and stubborn so that he might deliver him over to you this very day.

Romans 9:17-19

9:17 For the scripture says to Pharaoh: “For this very purpose I have raised you up, that I may demonstrate my power in you, and that my name may be proclaimed in all the earth.” 9:18 So then, God has mercy on whom he chooses to have mercy, and he hardens whom he chooses to harden.

9:19 You will say to me then, “Why does he still find fault? For who has ever resisted his will?”