New Revised Standard Version
But I trusted in your steadfast love; my heart shall rejoice in your salvation.

Contemporary English Version
I trust your love, and I feel like celebrating because you rescued me.

New American Bible
Lest my enemy say, “I have prevailed,” lest my foes rejoice at my downfall.

Douay-Rheims Bible
Lest at any time my enemy say: I have prevailed against him. They that trouble me, will rejoice when I am moved:

Lest at any time my enemy say: I have prevailed against him. They that trouble me, will rejoice when I am moved:

But

Psalm 32:10 Many are the scourges of the sinner, but mercy shall encompass him that hopeth in the Lord.

Psalm 33:18,21,22 Behold the eyes of the Lord are on them that fear him: and on them that hope in his mercy. . . .

Psalm 36:7 O how hast thou multiplied thy mercy, O God! But the children of men shall put their trust under the cover of thy wings.

Psalm 52:8 But I, as a fruitful olive tree in the house of God, have hoped in the mercy of God for ever, yea for ever and ever.

Psalm 147:11 The Lord taketh pleasure in them that fear him: and in them that hope in his mercy.

Isaiah 12:2 Behold, God is my saviour, I will deal confidently, and will not fear: because the Lord is my strength, and my praise, and he is become my salvation.

Jude 1:21 Keep yourselves in the love of God, waiting for the mercy of our Lord Jesus Christ, unto life everlasting.

my heart

Psalm 9:14 Thou that liftest me up from the gates of death, that I may declare all thy praises in the gates of the daughter of Sion.

Psalm 43:4,5 And I will go in to the altar of God: to God who giveth joy to my youth. . . .

Psalm 51:12 Restore unto me the joy of thy salvation, and strengthen me with a perfect spirit.

Psalm 119:81 My soul hath fainted after thy salvation: and in thy word I have very much hoped.

1 Samuel 2:1 My heart hath rejoiced in the Lord, and my horn is exalted in my God: my mouth is enlarged over my enemies: because I have joyed in thy salvation.

Habakkuk 3:18 But I will rejoice in the Lord: and I will joy in God my Jesus.

Luke 1:47 And my spirit hath rejoiced in God my Saviour.

Luke 2:20 And the shepherds returned, glorifying and praising God for all the things they had heard and seen, as it was told unto them.