כָּלָ֥ה שְׁאֵרִ֗י וּלְבָ֫בִ֥י צוּר־לְבָבִ֥י וְחֶלְקִ֗י אֱלֹהִ֥ים לְעוֹלָֽם׃
My flesh and my heart faileth; But God is the rock of my heart and my portion for ever.
Rashi on Psalms
yearn Heb. כלה, an expression of desire, as (119:81): “My soul yearned (כלתה) for Your salvation.”