TSK · Romans 9:15

Yahweh passed by before him, and proclaimed, "Yahweh! Yahweh, a merciful and gracious God, slow to anger, and abundant in loving kindness and truth,

Who is a God like you, who pardons iniquity, and passes over the disobedience of the remnant of his heritage? He doesn't retain his anger forever, because he delights in loving kindness.

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