Romans 9:15

For he saith to Moses, I will have mercy on whom I will have mercy, and I will have compassion on whom I will have compassion.

Exodus 33:19

And he said, I will make all my goodness pass before thee, and I will proclaim the name of the LORD before thee; and will be gracious to whom I will be gracious, and will show mercy on whom I will show mercy.

Romans 9:16

So then, it is not of him that willeth, nor of him that runneth, but of God that showeth mercy.

Romans 9:18-19

Therefore he hath mercy on whom he will have mercy, and whom he will he hardeneth.

Exodus 34:6-7

And the LORD passed by before him, and proclaimed, The LORD, The LORD God, merciful and gracious, long-suffering, and abundant in goodness and truth.

Isaiah 27:11

When its boughs are withered, they shall be broken off: the women come and set them on fire: for it is a people of no understanding: therefore he that made them will not have mercy on them, and he that formed them will show them no favor.

Micah 7:18

Who is a God like to thee, that pardoneth iniquity, and passeth by the transgression of the remnant of his heritage? he retaineth not his anger for ever, because he delighteth in mercy.

Treasury of Scripture Knowledge

Summary

For he saith to Moses, I will have mercy on whom I will have mercy, and I will have compassion on whom I will have compassion.

Bible References

I will have

Romans 9:16
So then, it is not of him that willeth, nor of him that runneth, but of God that showeth mercy.
Exodus 33:19
And he said, I will make all my goodness pass before thee, and I will proclaim the name of the LORD before thee; and will be gracious to whom I will be gracious, and will show mercy on whom I will show mercy.
Exodus 34:6
And the LORD passed by before him, and proclaimed, The LORD, The LORD God, merciful and gracious, long-suffering, and abundant in goodness and truth.
Isaiah 27:11
When its boughs are withered, they shall be broken off: the women come and set them on fire: for it is a people of no understanding: therefore he that made them will not have mercy on them, and he that formed them will show them no favor.
Micah 7:18
Who is a God like to thee, that pardoneth iniquity, and passeth by the transgression of the remnant of his heritage? he retaineth not his anger for ever, because he delighteth in mercy.