'Of the Flesh' in the Bible

For our glory is in this, in the knowledge which we have that our way of life in the world, and most of all in relation to you, has been holy and true in the eyes of God; not in the wisdom of the flesh, but in the grace of God.

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

(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);

And that when I come again, my God may put me to shame among you, and I may have grief for those who have done wrong before and have had no regret for their unclean ways, and for the evil desires of the flesh to which they have given way.