44 Heb “Who [is there] for me in heaven? And besides you I do not desire [anyone] in the earth.” The psalmist uses a merism (heaven/earth) to emphasize that God is the sole object of his desire and worship in the entire universe.
45 The Hebrew verb כָלָה (khalah, “to fail; to grow weak”) does not refer here to physical death per se, but to the physical weakness that sometimes precedes death (see Job 33:21; Pss 71:9; 143:7; Prov 5:11).
46 Or “forever.”
47 Heb “is the rocky summit of my heart and my portion.” The psalmist compares the Lord to a rocky summit where one could go for protection and to landed property, which was foundational to economic stability in ancient Israel.

In other versions

Whom have I in heaven but you?

And there is nothing on earth that I desire besides you.

My flesh and my heart may fail,

but God is the strength of my heart and my portion forever.

Whom have I in heaven but you?

And earth has nothing I desire besides you.

My flesh and my heart may fail,

but God is the strength of my heart

and my portion forever.

Who do I have in heaven but you?

And I desire nothing on earth but you.

My flesh and my heart may fail,

but God is the strength of my heart,

my portion forever.

Whom have I in heaven but you?

I desire you more than anything on earth.

My health may fail, and my spirit may grow weak,

but God remains the strength of my heart;

he is mine forever.

Whom do I have in the heavens except you?

And with you I have no other desire on earth.

My flesh and heart failed,

but God is the strength of my heart and my reward forever.

Whom have I in heaven but thee?

And there is none upon earth that I desire beside thee.

My flesh and my heart faileth:

But God is the strength of my heart, and my portion for ever.

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