Bible Verses About The Mercy of God: To whom he will

I will sow her to me in the earth; and I will have mercy on her who had not obtained mercy; and I will tell those who were not my people, ‘You are my people;’ and they will say, ‘My God!’”

For he said to Moses, “I will have mercy on whom I have mercy, and I will have compassion on whom I have compassion.”

So then, he has mercy on whom he desires, and he hardens whom he desires.