2 Corinthians 4:8-10

We are afflicted in every way, but are not crushed; [we are] perplexed, but not to the point of despair;

2 Corinthians 4:16-18

Therefore, we do not get discouraged, for though our physical body is decaying, yet our inner person is being renewed daily.

2 Corinthians 12:9-10

But God said to me, "My unearned favor is enough for you, for my power is made complete in [your] weakness." Therefore, I will most gladly boast, so that the power of Christ can rest on me.

Philippians 1:21

For life to me is Christ, and if I die, it would be gain.

2 Timothy 4:6-8

For I am already being "poured out like a drink offering," and the time for me to leave has come. [Note: Paul here likens the prospect of shedding his blood for the work of Christ to the pouring of wine and oil on an Old Testament sacrifice].

2 Peter 1:14

knowing that [I will] soon put off my "tent" [i.e., I will soon die], even as our Lord Jesus Christ made clear to me.

Revelation 21:3-4

And I heard a loud voice from the throne saying, "Look, the Tabernacle of God [i.e., God's presence] is with people and He will live with them, and they will be His people, and God Himself will be among them {{Some ancient manuscripts add "and will be their God"}}.

Revelation 21:7

The person who has victory [in the Christian life] will inherit these things, and I will be his God and he will be my child.

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

2 Corinthians 4:8
We are afflicted in every way, but are not crushed; [we are] perplexed, but not to the point of despair;
Philippians 1:21
For life to me is Christ, and if I die, it would be gain.
2 Timothy 4:6
For I am already being "poured out like a drink offering," and the time for me to leave has come. [Note: Paul here likens the prospect of shedding his blood for the work of Christ to the pouring of wine and oil on an Old Testament sacrifice].
2 Peter 1:14
knowing that [I will] soon put off my "tent" [i.e., I will soon die], even as our Lord Jesus Christ made clear to me.

But

2 Corinthians 12:9
But God said to me, "My unearned favor is enough for you, for my power is made complete in [your] weakness." Therefore, I will most gladly boast, so that the power of Christ can rest on me.