1 Corinthians 15:46

And the spiritual is not first, but the natural; then the spiritual.

Romans 6:6

knowing this, that our old man was crucified with Him, that the body of sin might be brought to nought, that we should no more be in bondage to sin;

Ephesians 4:22-24

that ye put off, as to your former manner of life, the old man, who is corrupt according to the desires of deceit;

Colossians 3:9-10

Lie not one to another, having put off the old man with his practices,

Treasury of Scripture Knowledge

Summary

Howbeit that was not first which is spiritual, but that which is natural; and afterward that which is spiritual.

That which is natural

Bible References

That which is natural

Romans 6:6
knowing this, that our old man was crucified with Him, that the body of sin might be brought to nought, that we should no more be in bondage to sin;
Ephesians 4:22
that ye put off, as to your former manner of life, the old man, who is corrupt according to the desires of deceit;
Colossians 3:9
Lie not one to another, having put off the old man with his practices,