Romans 9:15

For, unto Moses, he saith - I will have mercy upon whomsoever I can have mercy, and I will have compassion upon whomsoever I can have compassion.

Exodus 33:19

And he said, - I, will cause all my goodness to pass before thee. And will proclaim myself by the name Yahweh, before thee, And will show favour, unto whom I may show favour, And will have compassion on whom I may have compassion.

Romans 9:16

Hence, then, it is nor of him that wisheth nor of him that runneth, but of the mercy-shewing God.

Romans 9:18-19

Hence, then, - on whom he pleaseth, he hath mercy, and, whom he pleaseth, he doth harden.

Exodus 34:6-7

So Yahweh passed before him, and proclaimed, - Yahweh, Yahweh, A God of compassion and favour, - Slow to anger and abundant in lovingkindness and faithfulness:

Isaiah 27:11

When the cut-off boughs thereof are dry, they shall be broken to pieces, Women, coming, are kindling it! For it is not a people of understanding, For this cause, Will he that made him, not have compassion upon him, And, he that formed him, will shew him no favour.

Micah 7:18

Who is a GOD like unto thee, taking away the iniquity - and passing over the transgression - of the remnant of his inheritance? He hath not held fast, perpetually, his anger, for, one who delighteth in lovingkindness, is he!

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
Hence, then, it is nor of him that wisheth nor of him that runneth, but of the mercy-shewing God.
Exodus 33:19
And he said, - I, will cause all my goodness to pass before thee. And will proclaim myself by the name Yahweh, before thee, And will show favour, unto whom I may show favour, And will have compassion on whom I may have compassion.
Exodus 34:6
So Yahweh passed before him, and proclaimed, - Yahweh, Yahweh, A God of compassion and favour, - Slow to anger and abundant in lovingkindness and faithfulness:
Isaiah 27:11
When the cut-off boughs thereof are dry, they shall be broken to pieces, Women, coming, are kindling it! For it is not a people of understanding, For this cause, Will he that made him, not have compassion upon him, And, he that formed him, will shew him no favour.
Micah 7:18
Who is a GOD like unto thee, taking away the iniquity - and passing over the transgression - of the remnant of his inheritance? He hath not held fast, perpetually, his anger, for, one who delighteth in lovingkindness, is he!