Psalm 73:26
"My flesh and my heart faileth: but God is the strength of my heart, and my portion for ever."
Cross References (ranked by relevance)
In the day when I cried thou answeredst me, and strengthenedst me with strength in my soul.
The LORD is my rock, and my fortress, and my deliverer; my God, my strength, in whom I will trust; my buckler, and the horn of my salvation, and my high tower.
My soul longeth, yea, even fainteth for the courts of the LORD: my heart and my flesh crieth out for the living God.
O God, thou art my God; early will I seek thee: my soul thirsteth for thee, my flesh longeth for thee in a dry and thirsty land, where no water is;
The LORD is my portion, saith my soul; therefore will I hope in him.
I cried unto thee, O LORD: I said, Thou art my refuge and my portion in the land of the living.
Wait on the LORD: be of good courage, and he shall strengthen thine heart: wait, I say, on the LORD.
For to me to live is Christ, and to die is gain.
Though he slay me, yet will I trust in him: but I will maintain mine own ways before him.
For innumerable evils have compassed me about: mine iniquities have taken hold upon me, so that I am not able to look up; they are more than the hairs of mine head: therefore my heart faileth me.
Thou art my portion, O LORD: I have said that I would keep thy words.
He that overcometh shall inherit all things; and I will be his God, and he shall be my son.
Knowing that shortly I must put off this my tabernacle, even as our Lord Jesus Christ hath shewed me.