New Revised Standard Version
I declare that your steadfast love is established forever; your faithfulness is as firm as the heavens.

Contemporary English Version
I will tell them, "God's love can always be trusted, and his faithfulness lasts as long as the heavens."

New American Bible
For I said, “My mercy is established forever; my faithfulness will stand as long as the heavens.

Douay-Rheims Bible
For thou hast said: Mercy shall be built up for ever in the heavens: thy truth shall be prepared in them.

For thou hast said: Mercy shall be built up for ever in the heavens: thy truth shall be prepared in them.

mercy

Psalm 36:5 O Lord, thy mercy is in heaven, and thy truth reacheth even to the clouds.

Psalm 103:17 But the mercy of the Lord is from eternity and unto eternity upon them that fear him: And his justice unto children's children,

Nehemiah 1:5 And I said: I beseech thee, O Lord God of heaven, strong, great, and terrible, who keepest covenant and mercy with those that love thee, and keep thy commandments:

Nehemiah 9:17,31 And they would not hear, and they remembered not thy wonders which thou hadst done for them. And they hardened their necks, and gave the head to return to their bondage, as it were by contention. But thou, a forgiving God, gracious, and merciful, longsuffering, and full of compassion, didst not forsake them. . . .

Luke 1:50 And his mercy is from generation unto generations, to them that fear him.

Ephesians 1:6,7 Unto the praise of the glory of his grace, in which he hath graced us, in his beloved son. . . .

faithfulness

Psalm 89:5,37 The heavens shall confess thy wonders, O Lord: and thy truth in the church of the saints. . . .

Psalm 119:89 For ever, O Lord, thy word standeth firm in heaven.

Psalm 146:6 Who made heaven and earth, the sea, and all things that are in them.

Numbers 23:19 God is not a man, that he should lie, nor is the son of man, that he should be changed. Hath he said then, and will he not do? hath he spoken, and will he not fulfil?

Matthew 24:35 Heaven and earth shall pass: but my words shall not pass.

Hebrews 6:18 That by two immutable things in which it is impossible for God to lie, we may have the strongest comfort, we who have fled for refuge to hold fast the hope set before us.