The command to beware of false prophets

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Sermon for Trinity 8

Romans 8:12-17  +  Matthew 7:15-23

You know the Ten Commandments. Hopefully you’re very familiar with them as part of your regular review of the Small Catechism. But the Ten Commandments are not exhaustive; Jesus gave many commands to His disciples, many of which are included in His Sermon on the Mount. The command He gives in today’s Gospel is the final command in that famous sermon. After teaching His disciples what is good and right, Jesus is well aware that there would come along many, many teachers of what is evil and false. And so He gives this command to those who would be His disciples: Beware of false prophets. Now, to us Lutherans, especially traditional and confessional Lutherans, this command is rather well known, and we have judged the confessions of the Lutheran Church to be true and in line with God’s Word, and you have (so far) determined that your pastor is not a false prophet. But to many, I daresay to most Christians, this command to beware of false prophets isn’t even on the radar. And yet, it’s a command like any other, a command from your Lord to whom you owe obedience, and the more urgent, because if you fail to keep this commandment, you put your eternal soul in jeopardy, because the commandment is for your own good. So think carefully on what Jesus commands you today in the Gospel, and don’t neglect it: Beware of false prophets!

Beware of false prophets, who come to you in sheep’s clothing, but inwardly they are ravenous wolves. You know, I think for a lot of people, when they’re going around looking for a church to call their own, it’s not false prophets they’re watching out for, just as it’s not true doctrine they’re desperately searching for. It’s usually other things, earthly things—a preacher’s style, an atmosphere, a kind of music, or a “right fit” that makes them feel either good or bad. But that’s not keeping Jesus’ command at all. It’s actually just another way of living according to the flesh.

But Jesus commands: Beware of false prophets. Why? What makes them so dangerous? It’s that they dress like sheep—like innocent, reliable Christian preachers—but end up tearing people’s souls apart like wolves with their false teaching.

What is false teaching? It’s any teaching that doesn’t agree with the whole Word of God. When preachers tell you things about God that aren’t true, or things about His commandments that aren’t true; when they don’t tell the truth about sin, or about God’s plan of salvation, or about the Sacraments God has instituted, or about the Church and its ministry, or about the Christian life—how Christians are to do as St. Paul said in today’s Epistle, putting to death the deeds of the sinful flesh and living according to the Spirit. The preacher may be very nice. His sermons may be very engaging. And the church itself may be fun and dynamic and welcoming. But Jesus commands His disciples to look past all that and compare the teaching of the teacher with the Word of God. If you’re not willing to do that, to take the time and put in the effort necessary, then you are disobeying the voice of the One whom you call Lord. And that will go very badly for you.

“But it all comes down to a matter of interpretation, doesn’t it? Who’s to say who is right or wrong in all those denominations out there? We can’t actually know who’s a false prophet and who isn’t, can we?” Oh, but Jesus says that you can. By their fruits you will know them. You will know them, He says. You don’t think He’s lying to you, do you? Sure, it will take effort. It will take actually examining the preacher’s fruit. But with the Holy Spirit’s help, with earnest prayer and study of God’s Word, you can do it. And when you do, Jesus says, you will know the false prophet. Do people gather grapes from thorn bushes, or figs from thistles? Even so every good tree bears good fruit; but a bad tree bears bad fruit. A good tree cannot bear bad fruit, nor can a bad tree bear good fruit. Every tree that does not bear good fruit is cut down and cast into the fire. Therefore by their fruits you will know them.

What are the fruits a prophet bears? First of all, it’s his doctrine (his teaching). A prophet is someone who claims to speak for God, who claims to be teaching you the truth, the right way, God’s way, the way of salvation. You have to look at his teaching as a whole, not just this or that thing he says. Every preacher who claims to be Christian will teach you that Jesus is Lord. That’s certainly true. But what does he mean by it, and what else does he teach? Does he teach in line with the ancient Christian Creeds or has he gone off on his own? Does he teach a six-day creation according to Scripture or does he teach millions-of-years-molecules-to-man evolution? Does he teach that all people are sinners and are justified solely by faith in Christ crucified (as he should), or does he minimize sin or tolerate sin or teach justification by works or by faith plus works or not by faith at all? Does he teach Baptism as the washing of rebirth and renewal by the Holy Spirit or as the sign of a person’s own decision to follow Christ? Does he teach the real presence of the Lord’s body and blood in the Sacrament or does he teach that Christ’s body and blood are not truly received by communicants? Etc., etc., etc. The list goes on. And the only way to fulfill Christ’s command is to know His Word well and to evaluate the teachings of a pastor and of the church that he shepherds and of the church body to which he willingly belongs.

But a preacher’s doctrine isn’t the only fruit he bears. His life, his behavior is also part of his fruit, and that you have to evaluate, too. Not expecting him to be sinless—as St. John writes, “If we claim to be without sin, we deceive ourselves and the truth is not in us.” But you should expect him to be “blameless,” as Paul writes to Timothy concerning bishops (that is, pastors). Blameless means that he can’t be accused of grave public sin or vice. He can’t justly be accused of having a shady or dishonest character. A pastor who regularly sets a bad example for believers is showing you that his fruit is rotten. A pastor who preaches the truth but then backs away from it when challenged or who won’t stand up for it is showing you that his fruit is bad. Now, personality flaws can be overlooked in love, or corrected with love, if necessary. That’s not necessarily “bad fruit.” Actual sins against God’s commandments must be addressed, though, and where there is no repentance, again, he’s showing you his fruit, that it’s rotten and bad.

Now, there is such a thing as being too critical, overly critical of every word a pastor says, every decision, every action, every interaction, and we Lutherans may be especially susceptible to that extreme. “Beware” isn’t the only thing Jesus said to do. He also said to love, honor, and submit to our spiritual overseers, and all the more once we’ve determined that they are good trees bearing good fruit. But along with that is this constant command to beware. It’s the Christian’s duty to evaluate the preacher’s fruit, his doctrine and life, and to beware of the one whose fruit is bad, because that preacher is not leading you closer to Christ, but farther away from Him. That preacher whose fruit is bad is a bad tree that will be cut down in the end and cast into the first, and you don’t want to be cut down with him.

The last part of today’s Gospel makes the necessity of this “bewaring” all the more urgent. Not everyone who says to me, ‘Lord, Lord,’ will enter the kingdom of heaven; but the one who does the will of my Father in heaven. Many will say to me on that day, ‘Lord, Lord, in your name did we not prophesy? And in your name did we not cast out demons? And in your name did we not perform many miracles?’ And then I will confess to them, ‘I never knew you. Depart from me, you who practice lawlessness! Calling oneself a Christian preacher—calling oneself a Christian!—is not a guarantee of being allowed into Christ’s kingdom in the end. Even prophesying, even casting out demons, even performing miracles is no guarantee that a person was a genuine preacher sent by Christ, or that a person was a genuine Christian at all.

What is the guarantee, then, that one will not hear those terrible words from the Lord Jesus on the Last Day, I never knew you. Depart from me, you who practice lawlessness! It’s as Paul said in today’s Epistle: If you live according to the flesh, you will die. But if, through the Spirit, you put to death the deeds of the body, you will live. For those who are led by the Spirit of God, they are sons of God. Being led by the Spirit of God begins with repentance and faith in Christ Jesus for the forgiveness of sins, not because you’ve earned it, but because Christ earned it for you by His righteous life lived in your place and by His innocent death suffered in your place. But being led by the Spirit continues with daily contrition and repentance, putting to death the deeds of the body, being determined not to live in sin any longer but to live for God, to live a life of love. That’s where the Spirit always leads. The Spirit leads you to prayer, too. And, of course, the Spirit leads you always to God’s Word, which He Himself inspired and by which He continues to guide the people of God through all the murkiness and darkness of all the false prophets and false teachers of this world to see the light of Christ, our Redeemer. The Word of God is not called the “sword of the Spirit” for nothing. Know it! Treasure it! And use it to carry out Christ’s warning and command to beware of false prophets, and to recognize those who are true. Amen.

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Each Day in the Word, Sunday, August 7th, 2022

1 Timothy 4:1–10 (NKJV)

1 Now the Spirit expressly says that in latter times some will depart from the faith, giving heed to deceiving spirits and doctrines of demons, 2 speaking lies in hypocrisy, having their own conscience seared with a hot iron, 3 forbidding to marry, and commanding to abstain from foods which God created to be received with thanksgiving by those who believe and know the truth. 4 For every creature of God is good, and nothing is to be refused if it is received with thanksgiving; 5 for it is sanctified by the word of God and prayer. 6 If you instruct the brethren in these things, you will be a good minister of Jesus Christ, nourished in the words of faith and of the good doctrine which you have carefully followed. 7 But reject profane and old wives’ fables, and exercise yourself toward godliness. 8 For bodily exercise profits a little, but godliness is profitable for all things, having promise of the life that now is and of that which is to come. 9 This is a faithful saying and worthy of all acceptance. 10 For to this end we both labor and suffer reproach, because we trust in the living God, who is the Savior of all men, especially of those who believe.

The demonic doctrine which deceives many teaches that outward discipline by itself pleases God and increases one’s holiness. Some will abstain from marrying or from marital relations within marriage, thinking this abstention is a holier state. Others fast from certain foods, imagining that living according to the Old Testament dietary restrictions pleases God and increases holiness. But the Gospel teaches that everything “is sanctified by the word of God and prayer.” Sexual relations within marriage are good and God-pleasing because they are an expression of the one flesh union. Husband and wife may abstain for a time for prayer, but this disciple does not make them holy. Fasting is a way to discipline one’s flesh and tame its wicked desires. But fasting does not make one holy.

St. Paul writes, “Bodily exercise profits a little, but godliness is profitable for all things, having promise of the life that now is and of that which is to come.” Bodily exercises—the abstaining from certain good gifts of God—are to be used in our exercise toward godliness, but of themselves they are not godliness. Godliness, which can also be translated ‘piety,’ means reverence for God in one’s heart and life. The exercise of godliness is the daily training ourselves in contrition, faith, and serving our neighbor in love. Reverence in the heart toward God is daily confessing our sins and believing God’s promises in the gospel. Reverence for God in one’s life means living holy lives according to His holy Word. We train ourselves in godliness with the Holy Spirit’s aid because it is God’s will and it is good for us. “Godliness with contentment is great gain” (1 Tim. 6:6). It profits in this life by keeping us focused on the things of God rather than the temptations of the world and flesh. Godliness profits in the life to come because it keeps us in the faith in the midst of life’s dangers and prepares us for the life of the world to come.

Heavenly Father, give us Your Holy Spirit so that we exercise ourselves toward godliness everyday. Amen.

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Each Day in the Word, Saturday, August 6th, 2022

1 Corinthians 11:1–22 (NKJV)

1 Imitate me, just as I also imitate Christ. 2 Now I praise you, brethren, that you remember me in all things and keep the traditions just as I delivered them to you. 3 But I want you to know that the head of every man is Christ, the head of woman is man, and the head of Christ is God. 4 Every man praying or prophesying, having his head covered, dishonors his head. 5 But every woman who prays or prophesies with her head uncovered dishonors her head, for that is one and the same as if her head were shaved. 6 For if a woman is not covered, let her also be shorn. But if it is shameful for a woman to be shorn or shaved, let her be covered. 7 For a man indeed ought not to cover his head, since he is the image and glory of God; but woman is the glory of man. 8 For man is not from woman, but woman from man. 9 Nor was man created for the woman, but woman for the man. 10 For this reason the woman ought to have a symbol of authority on her head, because of the angels. 11 Nevertheless, neither is man independent of woman, nor woman independent of man, in the Lord. 12 For as woman came from man, even so man also comes through woman; but all things are from God. 13 Judge among yourselves. Is it proper for a woman to pray to God with her head uncovered? 14 Does not even nature itself teach you that if a man has long hair, it is a dishonor to him? 15 But if a woman has long hair, it is a glory to her; for her hair is given to her for a covering. 16 But if anyone seems to be contentious, we have no such custom, nor do the churches of God. 17 Now in giving these instructions I do not praise you, since you come together not for the better but for the worse. 18 For first of all, when you come together as a church, I hear that there are divisions among you, and in part I believe it. 19 For there must also be factions among you, that those who are approved may be recognized among you. 20 Therefore when you come together in one place, it is not to eat the Lord’s Supper. 21 For in eating, each one takes his own supper ahead of others; and one is hungry and another is drunk. 22 What! Do you not have houses to eat and drink in? Or do you despise the church of God and shame those who have nothing? What shall I say to you? Shall I praise you in this? I do not praise you.

“The head of every man is Christ, the head of woman is man, and the head of Christ is God.” This principle lies behind the ancient Christian custom of women wearing head coverings.

The custom was a sign that they were under a man’s authority, which properly understood means self-sacrificing service to the higher power, not blind obedience to an autocratic power. It recalled the order of creation, that “Adam was formed first, then Eve” (1 Tim. 2:13) and original sin, namely that “Adam was not deceived, but the woman being deceived, fell into transgression” (1 Tim. 2:14). The woman’s head covering also was a sign of the Lord’s atonement for original sin, since atonement literally means “a covering.”

A Christian man did not cover his head because “he is the image and glory of God; but the woman is the glory of man.” God created man first and set him as His representative on the earth. God created woman second, from man’s side to be man’s helper. Yet this does not mean that man doesn’t have a Head. “The head of every man is Christ.” Under the Old Testament, the man had a sign of authority on him just as the woman wore a sign of authority. Circumcision was a sign of original sin and its covering. The foreskin—a sign of the sinful flesh—was removed so that the spiritual covering of Christ’s righteousness covered the original sin. Circumcision served as a sign of Christ’s authority over them, which is self-sacrificing service, not autocratic power (Lk. 22:24-27).

There are different roles for man and woman. Men are designed to be fathers and some of them are ordained to be pastors. Women are designed to be mothers. In this God shows the equality of the sexes and their interdependence “in the Lord.” Head coverings, like circumcision, is optional for Christians. But the principle that we all have a Head who sacrifices Himself for us is not an indifferent thing.

Let us pray: Lord Jesus Christ, we give You thanks for Your authority over us which you exercised by sacrificing Yourself to make full atonement and cover all our sins. Amen.

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Each Day in the Word, Friday, August 5th, 2022

1 Corinthians 10:14–33 (NKJV)

14 Therefore, my beloved, flee from idolatry. 15 I speak as to wise men; judge for yourselves what I say. 16 The cup of blessing which we bless, is it not the communion of the blood of Christ? The bread which we break, is it not the communion of the body of Christ? 17 For we, though many, are one bread and one body; for we all partake of that one bread. 18 Observe Israel after the flesh: Are not those who eat of the sacrifices partakers of the altar? 19 What am I saying then? That an idol is anything, or what is offered to idols is anything? 20 Rather, that the things which the Gentiles sacrifice they sacrifice to demons and not to God, and I do not want you to have fellowship with demons. 21 You cannot drink the cup of the Lord and the cup of demons; you cannot partake of the Lord’s table and of the table of demons. 22 Or do we provoke the Lord to jealousy? Are we stronger than He? 23 All things are lawful for me, but not all things are helpful; all things are lawful for me, but not all things edify. 24 Let no one seek his own, but each one the other’s well-being. 25 Eat whatever is sold in the meat market, asking no questions for conscience’ sake; 26 for “the earth is the Lord’s, and all its fullness.” 27 If any of those who do not believe invites you to dinner, and you desire to go, eat whatever is set before you, asking no question for conscience’ sake. 28 But if anyone says to you, “This was offered to idols,” do not eat it for the sake of the one who told you, and for conscience’ sake; for “the earth is the Lord’s, and all its fullness.” 29 “Conscience,” I say, not your own, but that of the other. For why is my liberty judged by another man’s conscience? 30 But if I partake with thanks, why am I evil spoken of for the food over which I give thanks? 31 Therefore, whether you eat or drink, or whatever you do, do all to the glory of God. 32 Give no offense, either to the Jews or to the Greeks or to the church of God, 33 just as I also please all men in all things, not seeking my own profit, but the profit of many, that they may be saved.

When Christians partake of the Lord’s Supper, they eat Christ’s very body and drink His very blood which was sacrificed on the cross for the sins of the world. By eating the sacrifice we have fellowship—or communion—with Christ’s body and blood and receive the benefits won by His death.

Israel ate the sacrifices they offered in the tabernacle and temple and by that eating had fellowship—or communion—with the true God, receiving His promised benefits by faith. But when Gentiles eat the sacrifices they offer to idols in their temples they have fellowship—or communion—with the demons who inspired the idol. If a Christian has fellowship with demons by eating the sacrifice to them in their temple, they arouse the Lord’s jealousy by their idolatry.

However, Christians can buy meat at the marketplace and eat as guests in others homes without harm to their conscience.  If the host discloses that the meat was sacrificed to an idol, the Christian isn’t to eat it, not for the sake of his own conscience, but for the sake of the host’s conscience who told them. Christians weren’t to worship in idol temples. Neither were they to go searching for things to avoid based on their origins or how they were made. Christians should only abstain from the things of this world if those things trouble the conscience of others. This is using Christian freedom for the sake of others so that their consciences aren’t burdened.

The rubric for Christian freedom is simply: “Let no one seek his own, but each one the other’s well-being.” Consider Christ. The bruised reed He did not break. The smoldering wick He did not snuff out. He came not to be served but to serve. Christ did not seek His own good because love “does not seek its own” (1 Cor. 13:5). We have fellowship with Christ and receive His benefits in the Lord’s Supper, which strengthens us to love our neighbor and seek their good.

Let us pray: Lord Jesus, fill us with your love so that we, having partaken of your sacrifice and received Your benefits, may live for the good and benefit of our neighbor. Amen.

Devotion for Saturday, August 6th, 2022

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Each Day in the Word, Thursday, August 4th, 2022

1 Corinthians 9:1–23 (NKJV)

1 Am I not an apostle? Am I not free? Have I not seen Jesus Christ our Lord? Are you not my work in the Lord? 2 If I am not an apostle to others, yet doubtless I am to you. For you are the seal of my apostleship in the Lord. 3 My defense to those who examine me is this: 4 Do we have no right to eat and drink? 5 Do we have no right to take along a believing wife, as do also the other apostles, the brothers of the Lord, and Cephas? 6 Or is it only Barnabas and I who have no right to refrain from working? 7 Who ever goes to war at his own expense? Who plants a vineyard and does not eat of its fruit? Or who tends a flock and does not drink of the milk of the flock? 8 Do I say these things as a mere man? Or does not the law say the same also? 9 For it is written in the law of Moses, “You shall not muzzle an ox while it treads out the grain.” Is it oxen God is concerned about? 10 Or does He say it altogether for our sakes? For our sakes, no doubt, this is written, that he who plows should plow in hope, and he who threshes in hope should be partaker of his hope. 11 If we have sown spiritual things for you, is it a great thing if we reap your material things? 12 If others are partakers of this right over you, are we not even more? Nevertheless we have not used this right, but endure all things lest we hinder the gospel of Christ. 13 Do you not know that those who minister the holy things eat of the things of the temple, and those who serve at the altar partake of the offerings of the altar? 14 Even so the Lord has commanded that those who preach the gospel should live from the gospel. 15 But I have used none of these things, nor have I written these things that it should be done so to me; for it would be better for me to die than that anyone should make my boasting void. 16 For if I preach the gospel, I have nothing to boast of, for necessity is laid upon me; yes, woe is me if I do not preach the gospel! 17 For if I do this willingly, I have a reward; but if against my will, I have been entrusted with a stewardship. 18 What is my reward then? That when I preach the gospel, I may present the gospel of Christ without charge, that I may not abuse my authority in the gospel. 19 For though I am free from all men, I have made myself a servant to all, that I might win the more; 20 and to the Jews I became as a Jew, that I might win Jews; to those who are under the law, as under the law, that I might win those who are under the law; 21 to those who are without law, as without law (not being without law toward God, but under law toward Christ), that I might win those who are without law; 22 to the weak I became as weak, that I might win the weak. I have become all things to all men, that I might by all means save some. 23 Now this I do for the gospel’s sake, that I may be partaker of it with you.

Paul is free to take a believing wife with him on his missionary journeys as the other apostles do. He has the right to reap material things from his congregations and make his living from preaching the gospel. It is the Lord’s command that “those who preach the gospel should live from the gospel.” But Paul does not use these rights. He uses his freedom to provide the gospel free of charge to his hearers.

He free from all men. But he uses his freedom to win men to the gospel. When among Jews he lives as a Jew. He observes the Mosaic laws even though he is not under the law. He does this so that the Jews might more readily hear the gospel. When among Gentiles who are not under Mosaic law he lives as the Gentiles. He doesn’t live by Mosaic law among the Gentiles because that would hinder his preaching that faith in Christ alone, apart from the works of the law, justifies. Yet even among the Gentiles he is not without law toward God. He lives under the law of Christ which is the law of love. To the weak, those in yesterday’s reading whose understanding and faith was not strong, Paul condescends to their weakness. He lives as one who is weak to strengthen them in knowledge and faith. He becomes all things to all men that he might by all means save some. He uses his freedom from the law to preach to others in their present condition so that some might be saved by faith in the gospel.

All who believe in Christ Jesus’ perfect atonement and righteousness are free from the condemnation and coercion of the law. We are perfectly free, subject to no one. But believers use their freedom, not as a clock for vice, but to serve others in love. Paul used his freedom, condescending to the spiritual state his hearers, to serve them with the gospel. Christians use their freedom from the law to serve others in their vocations, meeting others where they are as well.

Let us pray: O Lord, grant us Your Holy Spirit that we may understand our freedom in Christ, rejoice in it, and use it to serve our neighbors in love. Amen.

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