Psalm "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." My favorite verse of all time.
Psalm My flesh and my heart may fail; but God is the strength of my heart and my portion forever. -- My "heart attack morning" verse, that kept me from freaking out in the ambulance. (I'd read it just that morning.