What Does St. Paul Mean by “The Flesh”?

In the first reading at Mass today (Wednesday of the 28^th Week), St. Paul enumerates the sins that proceed from the flesh. There are many references to “the flesh” in the New Testament, especially in the letters of St. Paul. The phrase is commonly misunderstood as being synonymous with the physical body or merely with sexual sin.

Although there are many places in Scripture in which the word “flesh” alone refers to the physical body, when it is preceded by the definite article (“the”), it usually refers to something more. (Here are some of the few examples of “the flesh” (ἡ σὰρξ (he sarx) in Greek) referring only to the physical body (e.g., John 6:53; Phil 3:3-4; 1 John 4:2).)

What then is meant by “the flesh”? Perhaps most plainly, it refers to the part of us that is alienated from God. It is the rebellious, unruly, obstinate part of our inner self that is always operative. It is the part of us that doesn’t want to be told what to do. It is stubborn, refuses correction, and doesn’t want to have a thing to do with God. It bristles at limits and rules. It recoils at anything that might cause us to be diminished or to be something less than the center of the universe. The flesh hates to be under authority or to have to yield to anything other than its own desires. The flesh often desires something simply because it is forbidden.

The recent Protestant translations of the Bible (such as the New International Version (NIV)) often call the flesh our “sin nature,” which is all right unless the term “nature” is understood in the stricter philosophical sense. (Sin is not something that we should posit as coming from our nature, but rather as emerging more from our fallen condition, from the fact that our nature has been wounded.)

In Catholic Tradition, “the flesh” is where concupiscence sets up shop. Concupiscence refers to the strong inclination to sin that is within us as a result of the wound of Original Sin. If you do not think that your flesh is strong, just try to pray for five minutes and see how quickly your mind tries to make you think of anything but God. Just try to fast or to be less selfish and watch how quickly your flesh goes to war.

The flesh is in direct conflict with the spirit. “The spirit” here refers not to the Holy Spirit, but to the human spirit. The (human) spirit is the part of us that is open to God, desires Him, and is drawn to Him. It is the part of us that is attracted by goodness, beauty, and truth; the part that yearns for completion in God; the part that longs to see His face. Without the spirit, we would be totally turned in on ourselves and consumed by the flesh. Thankfully, our spirit, assisted by the Holy Spirit, draws us to desire what is best, upright, and helpful.

Let’s examine a few texts that reference “the flesh” and in doing so learn more of its ways. This will help us to be on our guard, to rebuke it (by God’s grace), and to learn not to feed it. My comments are presented in blue following each passage.

1. The flesh does not grasp spiritual teachings. [Jesus said] The Spirit gives life; the flesh counts for nothing. The words I have spoken to you are spirit and they are life (John 6:63).

Having heard Jesus’ teaching on the Eucharist, most of his listeners ridicule it and will no longer take Him seriously. Jesus indicates that their hostility to the teaching on the Eucharist is of the flesh. The flesh demands that everything be obvious to it on its own terms. The flesh demands to see physical proof for everything; it demands that it be able to “see” using its own power. And if it cannot see based on its own limited view, it simply rejects spiritual truth out of hand. In effect, the flesh refuses to believe at all since what it really demands is something that will “force” it to accept something. Absolute proof takes things out of the realm of faith and trust. Faith is no longer necessary when something is absolutely proven and plainly visible to the eyes.

2. The flesh is not willing to depend on anyone or anything outside its own power or control. For it is we who are the circumcision, we who worship by the Spirit of God, who glory in Christ Jesus, and who put no confidence in the flesh—though I myself have reasons for such confidence. If anyone else thinks he has reasons to put confidence in the flesh, I have more: circumcised on the eighth day, of the people of Israel, of the tribe of Benjamin, a Hebrew of Hebrews; in regard to the law, a Pharisee; as for zeal, persecuting the church; as for legalistic righteousness, faultless. … I [now] consider this rubbish, that I may gain Christ and be found in him, not having a righteousness of my own that comes from the law, but that which is through faith in Christ (Phil 3:3-9, selected).

The flesh wants to be in control rather than to have to trust in God. Hence it sets up its own observance, under its own control. And when it has met its own demands it declares itself to be righteous. Because the flesh hates being told what to do, it takes God’s Law and makes it “manageable” based on its own terms. For example, if I’m supposed to love, I’ll limit it to my family or countrymen; I’m “allowed” to hate my enemy. Jesus says that we must love our enemy. The flesh recoils at this, because unless the Law is manageable and within its own power to accomplish, the Law cannot be controlled. The flesh trusts only in its own power. The Pharisees were “self-righteous.” That is to say, they believed in a righteousness that they themselves brought about through the power of their own flesh. But the Law and flesh cannot save; only Jesus Christ can save. The flesh refuses this and wants to control the outcome based on its own power and terms.

3. The flesh hates to be told what to do. For when we were controlled by the flesh, the sinful passions aroused by the law were at work in our bodies, so that we bore fruit for death (Rom 7:5).

The disobedience and rebelliousness of the flesh roots us in sinful behavior and a prideful attitude. The prideful attitude of the flesh is even more dangerous than the sins that flow from the flesh, because pride precludes instruction in holiness and the possible repentance that leads to life. The flesh does not like to be told what to do, so it rejects the testimony of the Church, the Scriptures, and the conscience. Notice that according to this passage, the very existence of God’s Law arouses the passions of the flesh. The fact that something is forbidden makes the flesh want it all the more! This strong inclination to sin is in the flesh and comes from pride and from indignation at being told what to do. The flesh refuses God’s Law and sets up its own rules. Yes, the flesh will not be told what to do.

4. Flesh is as flesh does. Those who live according to the flesh have their minds set on what the flesh desires; but those who live in accordance with the spirit have their minds set on what the spirit desires. The concern of the flesh is death, but the concern of the spirit is life and peace (Rom 8:5-6).

The flesh is intent on the things of this world, on gratifying its own passions and desires. On account of the flesh, we are concerned primarily with ourselves and we seek to be at the center. The flesh is turned primarily inward. St. Augustine describes the human person in the flesh as incurvatus in se (turned in upon himself). But the spirit is the part of us that looks outward toward God and opens us to the truth and holiness that God offers. Ultimately, the flesh is focused on death, for it is concerned with what is passing away: the body and the world. The human spirit is focused on life, for it focuses on God, who is life and light.

5. The flesh is intrinsically hostile to God. The mind of the flesh is hostile to God. It does not submit to God’s law, nor can it do so. Those controlled by the flesh cannot please God (Rom 8:7-8).

The flesh is hostile to God because it is hostile to anyone more important than itself. Further, the flesh does not like being told what to do. Hence it despises authority or anyone who tries to tell it what to do. It cannot please God because it does not want to do so.

6. The flesh abuses freedom. You, my brothers, were called to be free. But do not use your freedom to indulge the flesh; rather, serve one another in love (Gal 5:13).

The flesh turns God-given freedom into licentiousness, demanding freedom without limits. Because the flesh does not like being told what to do, it demands to be able to do whatever it wants. In effect, the flesh says, “I will do what I want to do and I will decide if it is right or wrong.” This is licentiousness and an abuse of freedom. It results in indulgence and, paradoxically, leads to slavery to the senses and the passions.

7. The flesh demands to be fed. So I say, live by the Spirit, and you will not gratify the desires of the flesh. For the flesh desires what is contrary to the Spirit, and the Spirit what is contrary to the sinful nature. They are in conflict with each other, so that you do not do what you want (Gal 5:16-17).

Within the human person is this deep conflict between the flesh and the spirit. We must not be mistaken; the flesh is in us and it is strong. It has declared war on our spirit and on the Holy Spirit of God. When the spirit tries to obey, the flesh resists and tries to sabotage its best aspirations. We must be sober about this conflict and understand that this is why we often do not do what we know is right. The flesh has to die and the spirit become more alive. What you feed, grows. If we feed the flesh it will grow. If we feed the spirit it will grow. What are you feeding? Are you sober about the power of the flesh? Do you feed your spirit well through God’s Word, Holy Communion, prayer, and the healing power of Confession? What are you feeding?

8. The flesh fuels sin. The acts of the flesh are obvious: sexual immorality, impurity and debauchery; idolatry and witchcraft; hatred, discord, jealousy, fits of rage, selfish ambition, dissensions, factions and envy; drunkenness, orgies, and the like. I warn you, as I did before, that those who live like this will not inherit the kingdom of God (Gal 5:19-210).

This catalogue of sins that flow from the flesh is not exhaustive, but is representative of the offensive and obnoxious behavior that arise from it. Be sober about the flesh; it produces ugly children.

9. The flesh hates authority. This [condemnation by God] is especially true of those who follow the corrupt desire of the flesh and despise authority (2 Peter 2:10).

It’s clear enough: the flesh hates authority. And did I mention that the flesh does not want to be told what to do?

So here is a portrait of “the flesh.” It is ugly. You might think that I’ve exaggerated, that the flesh is not really that bad. I have not. Just read the news to see what the flesh is up to. You may, by God’s grace, have seen a diminishment in the power of the flesh in your life. That is ultimately what God can and will do for us. He will put the flesh to death in us and bring alive our spirit by the power of His Holy Spirit.

The first step is to appreciate what the flesh is and understand its moves. The second is to bring this understanding to God through repentance. Step three is (by God’s grace) to stop feeding the flesh and to start feeding the spirit with prayer, Scripture, Church teaching, Holy Communion, and Confession. And the last step is to repeat steps one through three for the rest of our lives! God will cause the flesh to die and the spirit to live, by His grace at work in us through Jesus Christ.

Let’s examine a few texts that reference “the flesh” and in doing so learn more of its ways.

Great idea.

1 John 4

1 Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.
2 Hereby know ye the Spirit of God: Every spirit that confesseth that Jesus Christ is come in the flesh is of God:
3 And every spirit that confesseth not that Jesus Christ is come in the flesh is not of God: and this is that spirit of antichrist, whereof ye have heard that it should come; and even now already is it in the world.

That really is a great passage in light of this article about the many awful characteristics of the flesh. It's such a hard saying, that another spirit flat out insists that the Messiah is God [in order to come up with an explanation, a mystical woo-woo workaround for how can this be].

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