Psalm 73:26

My flesh and my heart may fail,
But God is the strength of my heart and my portion forever.

Psalm 84:2

My soul longed and even yearned for the courts of the Lord;
My heart and my flesh sing for joy to the living God.

Psalm 18:2

The Lord is my rock and my fortress and my deliverer,
My God, my rock, in whom I take refuge;
My shield and the horn of my salvation, my stronghold.

Psalm 40:12

For evils beyond number have surrounded me;
My iniquities have overtaken me, so that I am not able to see;
They are more numerous than the hairs of my head,
And my heart has failed me.

Job 13:15

Though He slay me,
I will hope in Him.
Nevertheless I will argue my ways before Him.

Psalm 16:5-6

The Lord is the portion of my inheritance and my cup;
You support my lot.

Psalm 27:14

Wait for the Lord;
Be strong and let your heart take courage;
Yes, wait for the Lord.

Psalm 63:1

A Psalm of David, when he was in the wilderness of Judah.
O God, You are my God; I shall seek You earnestly;
My soul thirsts for You, my flesh yearns for You,
In a dry and weary land where there is no water.

Psalm 119:57

Heth.
The Lord is my portion;
I have promised to keep Your words.

Psalm 119:81-82

Kaph.
My soul languishes for Your salvation;
I wait for Your word.

Psalm 138:3

On the day I called, You answered me;
You made me bold with strength in my soul.

Psalm 142:5

I cried out to You, O Lord;
I said, “You are my refuge,
My portion in the land of the living.

Isaiah 40:29-31

He gives strength to the weary,
And to him who lacks might He increases power.

Lamentations 3:24

“The Lord is my portion,” says my soul,
“Therefore I have hope in Him.”

2 Corinthians 4:8-10

we are afflicted in every way, but not crushed; perplexed, but not despairing;

2 Corinthians 4:16-18

Therefore we do not lose heart, but though our outer man is decaying, yet our inner man is being renewed day by day.

2 Corinthians 12:9-10

And He has said to me, “My grace is sufficient for you, for power is perfected in weakness.” Most gladly, therefore, I will rather boast about my weaknesses, so that the power of Christ may dwell in me.

Philippians 1:21

For to me, to live is Christ and to die is gain.

2 Timothy 4:6-8

For I am already being poured out as a drink offering, and the time of my departure has come.

2 Peter 1:14

knowing that the laying aside of my earthly dwelling is imminent, as also our Lord Jesus Christ has made clear to me.

Revelation 21:3-4

And I heard a loud voice from the throne, saying, “Behold, the tabernacle of God is among men, and He will dwell among them, and they shall be His people, and God Himself will be among them,

Revelation 21:7

He who overcomes will inherit these things, and I will be his God and he will be My son.

Treasury of Scripture Knowledge

Summary

My flesh and my heart faileth: but God is the strength of my heart, and my portion for ever.

Bible References

Flesh

Psalm 63:1
A Psalm of David, when he was in the wilderness of Judah.
O God, You are my God; I shall seek You earnestly;
My soul thirsts for You, my flesh yearns for You,
In a dry and weary land where there is no water.
Psalm 84:2
My soul longed and even yearned for the courts of the Lord;
My heart and my flesh sing for joy to the living God.
Psalm 119:81
Kaph.
My soul languishes for Your salvation;
I wait for Your word.
Job 13:15
Though He slay me,
I will hope in Him.
Nevertheless I will argue my ways before Him.
2 Corinthians 4:8
we are afflicted in every way, but not crushed; perplexed, but not despairing;
Philippians 1:21
For to me, to live is Christ and to die is gain.
2 Timothy 4:6
For I am already being poured out as a drink offering, and the time of my departure has come.
2 Peter 1:14
knowing that the laying aside of my earthly dwelling is imminent, as also our Lord Jesus Christ has made clear to me.

But

Psalm 18:2
The Lord is my rock and my fortress and my deliverer,
My God, my rock, in whom I take refuge;
My shield and the horn of my salvation, my stronghold.
Psalm 27:14
Wait for the Lord;
Be strong and let your heart take courage;
Yes, wait for the Lord.
Psalm 138:3
On the day I called, You answered me;
You made me bold with strength in my soul.
Isaiah 40:29
He gives strength to the weary,
And to him who lacks might He increases power.
2 Corinthians 12:9
And He has said to me, “My grace is sufficient for you, for power is perfected in weakness.” Most gladly, therefore, I will rather boast about my weaknesses, so that the power of Christ may dwell in me.