New Revised Standard Version
For he says to Moses, “I will have mercy on whom I have mercy, and I will have compassion on whom I have compassion.”

Contemporary English Version
The Lord told Moses that he has pity and mercy on anyone he wants to.

New American Bible
For he says to Moses: “I will show mercy to whom I will, I will take pity on whom I will.”

Douay-Rheims Bible
For he saith to Moses: I will have mercy on whom I will have mercy. And I will shew mercy to whom I will shew mercy.

For he saith to Moses: I will have mercy on whom I will have mercy. And I will shew mercy to whom I will shew mercy.

I will have.

Romans 9:16,18,19 So then it is not of him that willeth, nor of him that runneth, but of God that sheweth mercy. . . .

Exodus 33:19 He answered: I will shew thee all good, and I will proclaim in the name of the Lord before thee: and I will have mercy on whom I will, and I will be merciful to whom it shall please me.

Exodus 34:6,7 And when he passed before him, he said: O the Lord, the Lord God, merciful and gracious, patient and of much compassion, and true, . . .

Isaiah 27:11 Its harvest shall be destroyed with drought, women shall come and teach it: for it is not a wise people, therefore he that made it, shall not have mercy on it: and he that formed it, shall not spare it.

Micah 7:18 Who is a God like to thee, who takest away iniquity, and passest by the sin of the remnant of thy inheritance? he will send his fury in no more, because he delighteth in mercy.