Hosea 2:23
And I will sow her to me in the earth; and I will have mercy on her that had not obtained mercy; and I will say to them which were not my people, You are my people; and they shall say, You are my God.
Torrey's Topical Textbook—AKJV

Romans 9:15,18
For he said to Moses, I will have mercy on whom I will have mercy, and I will have compassion on whom I will have compassion.
Torrey's Topical Textbook—AKJV