WPNT(i)
16 So then, it is not of him who wills nor of him who strives, but of God who shows mercy.
17 For the Scripture says to Pharaoh: “I raised you up for this very purpose, that I might display my power in you, and that my name might be proclaimed in all the earth.”
18 So then, He has mercy on whom He wishes, and He hardens whom He wishes.