2 Corinthians 10:3

For though we may be living in the flesh, we are not fighting after the way of the flesh

Romans 8:13

For if you go in the way of the flesh, death will come on you; but if by the Spirit you put to death the works of the body, you will have life.

2 Corinthians 10:4

(For the arms with which we are fighting are not those of the flesh, but are strong before God for the destruction of high places);

Galatians 2:20

I have been put to death on the cross with Christ; still I am living; no longer I, but Christ is living in me; and that life which I now am living in the flesh I am living by faith, the faith of the Son of God, who in love for me, gave himself up for me.

1 Timothy 1:18

This order I give to you, Timothy my son, in harmony with the words of the prophets about you, so that by them you may be strong, fighting the good fight,

2 Timothy 2:3-4

Be ready to do without the comforts of life, as one of the army of Christ Jesus.

2 Timothy 4:7

I have made a good fight, I have come to the end of my journey, I have kept the faith:

Hebrews 12:1

For this reason, as we are circled by so great a cloud of witnesses, putting off every weight, and the sin into which we come so readily, let us keep on running in the way which is marked out for us,

1 Peter 4:1-2

So that as Jesus was put to death in the flesh, do you yourselves be of the same mind; for the death of the flesh puts an end to sin;

Treasury of Scripture Knowledge

Summary

For though we walk in the flesh, we do not war after the flesh:

Bible References

Walk

Galatians 2:20
I have been put to death on the cross with Christ; still I am living; no longer I, but Christ is living in me; and that life which I now am living in the flesh I am living by faith, the faith of the Son of God, who in love for me, gave himself up for me.
1 Peter 4:1
So that as Jesus was put to death in the flesh, do you yourselves be of the same mind; for the death of the flesh puts an end to sin;

We do

2 Corinthians 10:4
(For the arms with which we are fighting are not those of the flesh, but are strong before God for the destruction of high places);
Romans 8:13
For if you go in the way of the flesh, death will come on you; but if by the Spirit you put to death the works of the body, you will have life.
1 Timothy 1:18
This order I give to you, Timothy my son, in harmony with the words of the prophets about you, so that by them you may be strong, fighting the good fight,
2 Timothy 2:3
Be ready to do without the comforts of life, as one of the army of Christ Jesus.
2 Timothy 4:7
I have made a good fight, I have come to the end of my journey, I have kept the faith:
Hebrews 12:1
For this reason, as we are circled by so great a cloud of witnesses, putting off every weight, and the sin into which we come so readily, let us keep on running in the way which is marked out for us,

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain