1 Corinthians 15:46

but that which is spiritual is not first, but that which was natural, afterwards that which is spiritual.

Romans 6:6

this knowing, that our old man was crucified with him, that the body of the sin may be made useless, for our no longer serving the sin;

Ephesians 4:22-24

ye are to put off concerning the former behaviour the old man, that is corrupt according to the desires of the 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
this knowing, that our old man was crucified with him, that the body of the sin may be made useless, for our no longer serving the sin;
Ephesians 4:22
ye are to put off concerning the former behaviour the old man, that is corrupt according to the desires of the deceit,
Colossians 3:9
Lie not one to another, having put off the old man with his practices,