1 Corinthians 15:46

Yet the spiritual body was not first, but the animal; afterward the spiritual.

Romans 6:6

Knowing this, that our old man is crucified with him, that the body of sin might be destroyed, that we might no longer serve sin.

Ephesians 4:22-24

concerning your former conversation, the old man, which is corrupt, according to the deceitful desires:

Colossians 3:9-10

Lie not one to another, seeing ye have put off the old man with his deeds,

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 is crucified with him, that the body of sin might be destroyed, that we might no longer serve sin.
Ephesians 4:22
concerning your former conversation, the old man, which is corrupt, according to the deceitful desires:
Colossians 3:9
Lie not one to another, seeing ye have put off the old man with his deeds,