Contend for the Faith: Warning Against False Teachers

Aug 16, 2026

Devotional

Day 1: Guarding the Unchanging Gospel in a Shifting World

Jude’s urgent call to “contend for the faith” isn’t about defending abstract ideas but protecting the concrete, complete truth handed down through Scripture. This gospel needs no additions or revisions—it’s already been delivered in full. Like sentries guarding a treasure, believers must vigilantly preserve biblical truth against cultural erosion and spiritual compromise. The fight isn’t for innovation but for fidelity to what Christ’s apostles first proclaimed. [27:20]

“Beloved, although I was very eager to write to you about our common salvation, I found it necessary to write appealing to you to contend for the faith that was once for all delivered to the saints.”
(Jude 3, ESV)

Reflection: Where do you sense the unchanging gospel is most under attack in your community? How can you actively “contend” for it this week without adding to or subtracting from its truth?

Day 2: False Teachers: Unnoticed Intruders in God’s House

Like termites weakening a home’s foundation, false teachers infiltrate communities undetected, masking rebellion with religious language. Jude warns they’re not random—they’re scripted into God’s story, their condemnation predetermined. Their danger lies not in dramatic heresy but in subtle perversions of grace and quiet denials of Christ’s authority. Vigilance requires discernment, not suspicion, rooted in Scripture’s clarity. [30:45]

“For certain people have crept in unnoticed who long ago were designated for this condemnation, ungodly people, who pervert the grace of our God into sensuality and deny our only Master and Lord, Jesus Christ.”
(Jude 4, ESV)

Reflection: What subtle shifts in teaching or behavior might indicate someone is “perverting grace” or denying Christ’s lordship in your circles? How does Scripture clarify these dangers?

Day 3: Grace Twisted into License: When Freedom Becomes Bondage

The false teachers’ great deception was recasting God’s grace as permission for indulgence. They turned liberation from sin’s penalty into liberty to sin—a corruption Paul called unthinkable. True grace never minimizes holiness; it empowers obedience. When “God forgives” becomes an excuse to rebel, it reveals hearts still chained to sin’s mastery. [40:49]

“What shall we say then? Are we to continue in sin that grace may abound? By no means! How can we who died to sin still live in it?”
(Romans 6:1-2, ESV)

Reflection: Where have you been tempted to confuse grace with permission? How does Christ’s lordship redefine what true spiritual freedom looks like?

Day 4: Alexander’s Choice: Bearing Christ’s Name Faithfully

The story of Alexander the Great confronting a wayward namesake cuts deep: claiming Christ’s name demands conforming to Christ’s character. To call Jesus “Lord” while living like He’s absent isn’t just inconsistency—it’s practical atheism. Jude’s warning echoes: denial happens not just in words but in unsubmitted habits, unrenewed minds, and unguarded relationships. [45:39]

“They profess to know God, but they deny him by their works. They are detestable, disobedient, unfit for any good work.”
(Titus 1:16, ESV)

Reflection: If someone observed your daily choices without hearing your words, what would they conclude about who rules your life? Where does your practice contradict your profession?

Day 5: Eternal Chains and Smoke Rising: God’s Judgment on Rebellion

Jude points to three smoking ruins—the wilderness graves of Israelites, imprisoned angels, and Sodom’s ashen plains—as monuments to God’s unwavering justice. These aren’t ancient myths but historical signposts: rebellion against God’s order always ends in ruin. Yet in Christ, these warnings become both a call to repentance and a promise that evil’s final defeat is assured. [51:05]

“Now I want to remind you, although you once fully knew it, that Jesus, who saved a people out of the land of Egypt, afterward destroyed those who did not believe. And the angels who did not stay within their own position of authority… he has kept in eternal chains under gloomy darkness until the judgment of the great day—just as Sodom and Gomorrah… serve as an example by undergoing a punishment of eternal fire.”
(Jude 5-7, ESV)

Reflection: How does the reality of God’s past judgments sober you toward present obedience? What falsehood or sin feels “unchainable” in your life that Christ’s victory can overcome?

Sermon Summary

Jude turns from wanting to write about common salvation to saying something necessary. Jude calls his beloved readers to contend for “the faith,” not faith as the act of believing, but the body of truth handed down through the apostles. The faith is the apostles’ doctrine, the gospel, the truth now given in the Bible. God delivered it. God did not leave men sitting around deciding what the faith ought to be. God revealed it once for all, and nothing needs to be added to it.

Verse four gives the reason for the contending. Certain people have crept in unnoticed. False teachers are sneaky, and they try to get into places of responsibility and teaching. Still, they have only crept up on everyone but God. God wrote it in the script long ago that such people would come under condemnation. That judgment gives courage to stand firm and not be afraid to contend for the gospel.

Jude names three reasons for their judgment. First, these false teachers are ungodly. Ungodly means “without worship,” and Romans 1 shows people who can see God’s power and divine nature in creation but refuse to honor him or give thanks. True worship is not just singing or religious language. True worship is the presenting of the whole life to God in submission and obedience.

Second, these false teachers pervert the grace of God into sensuality. Grace does not free a person to sin. Grace frees a person from bondage to sin so that life may glorify and honor God. The idea that “God loves to forgive and man loves to sin” is not Christianity. That is presumptuous sin, and there is no guarantee of salvation for a person who treats grace that way.

Third, these false teachers deny the only Master and Lord, Jesus Christ. Their denial may not be open heresy so much as a life that acts as if Christ is not Lord. Titus says some profess to know God but deny him by their works. The name Christian carries weight, and the warning is sharp: either change the name or change the ways.

Jude then gives three examples of judgment. Jesus saved Israel out of Egypt and afterward destroyed those who did not believe. Hebrews shows that their disobedience was unbelief, because disobedience equals unbelief. Sinful angels were kept in gloomy darkness for judgment, and Sodom and Gomorrah underwent the punishment of eternal fire. These examples say plainly that God judges sin, and they call Christians to be firm to the end.

Key Takeaways

1. The faith needs no additions The faith was delivered, not invented. God did not ask men to improve the gospel, adjust it to the age, or fill in what he forgot to say. Contending for the faith begins with trusting that God has spoken clearly and finally in his word. [29:41]
2. False teachers surprise everyone but God False teachers creep in unnoticed, but they do not creep past the Lord. Their presence may unsettle a congregation, but their end has already been written by God. That truth gives courage without producing pride, because judgment belongs to God, not to human anger. [31:54]
3. Grace never licenses sin The grace of God is not permission to keep the old chains and call them freedom. Freedom in Christ means release from bondage to sin so that life can honor God. Presuming upon forgiveness while planning disobedience shows contempt for grace, not confidence in it. [40:49]
4. Disobedience reveals unbelief Hebrews ties Israel’s disobedience to unbelief, and that connection reaches deep into the heart. A person does what he truly believes, while the rest is “just so much religious talk.” Obedience does not purchase salvation, but it does expose whether God’s word is actually being trusted. [56:27]
5. Only God cures unbelief Unbelief dishonors God, robs joy, weakens prayer, and leaves the word unprofitable to the hearer. The honest cry is not self-confidence, but “Lord, I believe, help my unbelief.” God alone opens the mind to see him as he is and to receive his word as true.

## [67:07]

Youtube Chapters

[00:00] - Welcome
[23:30] - Opening the Book of Jude
[26:59] - Contending for the Faith
[30:07] - False Teachers Creep In
[34:52] - Why False Teachers Are Judged
[35:15] - Ungodly Means Without Worship
[38:25] - Perverting Grace Into Sensuality
[42:54] - Denying Christ by Their Lives
[47:23] - Jude Reminds the Church
[50:52] - Israel Judged for Unbelief
[59:29] - What Unbelief Does
[66:54] - The Cure for Unbelief
[69:03] - Sinful Angels Under Judgment
[70:39] - Sodom and Gomorrah as Warning
[74:12] - Firm to the End

Bible Study Guide

Bible Reading

Jude 1:3-4
“Beloved, although I was very eager to write to you about our common salvation, I found it necessary to write appealing to you to contend for the faith that was once for all delivered to the saints. For certain people have crept in unnoticed, who long ago were designated for this condemnation, ungodly people, who pervert the grace of our God into sensuality and deny our only Master and Lord, Jesus Christ.” [00:26:59] [00:30:07] [00:34:52]

Romans 1:18-25
“For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who by their unrighteousness suppress the truth. For what can be known about God is plain to them, because God has shown it to them. For his invisible attributes, namely, his eternal power and divine nature, have been clearly perceived, ever since the creation of the world, in the things that have been made. So they are without excuse. For although they knew God, they did not honor him as God or give thanks to him, but they became futile in their thinking, and their foolish hearts were darkened. Claiming to be wise, they became fools, and exchanged the glory of the immortal God for images resembling mortal man and birds and animals and creeping things. Therefore God gave them up in the lusts of their hearts to impurity, to the dishonoring of their bodies among themselves, because they exchanged the truth about God for a lie and worshiped and served the creature rather than the Creator, who is blessed forever! Amen.” [00:35:15] [00:38:25]

Titus 1:16
“They profess to know God, but they deny him by their works. They are detestable, disobedient, unfit for any good work.” [00:42:54]

Hebrews 3:16-19
“For who were those who heard and yet rebelled? Was it not all those who left Egypt led by Moses? And with whom was he provoked for forty years? Was it not with those who sinned, whose bodies fell in the wilderness? And to whom did he swear that they would not enter his rest, but to those who were disobedient? So we see that they were unable to enter because of unbelief.” [00:50:52] [00:56:27]

Observation questions

In Jude 1:3-4, what are the three things said about the “certain people” who crept in unnoticed? [00:34:52]
According to Romans 1:18-25, what does ungodliness look like in practice, and what do people refuse to do even though they know something about God? [00:35:15]
In Hebrews 3:16-19, what two words are used to explain why Israel did not enter God’s rest, and how are they connected in the passage? [00:56:27]
Titus 1:16 says some people profess to know God but deny him by their works. What does that verse say their lives are like? [00:42:54]

Interpretation questions

Jude says the faith was “once for all delivered to the saints.” What does that suggest about trying to add to, improve, or update the gospel for a new age? [00:29:41]
Jude connects contending for the faith with the reality that false teachers “have crept in unnoticed.” Why is that warning so important for a church, especially when error often enters quietly rather than openly? [00:31:54]
If grace is perverted into sensuality, what misunderstanding of grace is at work? How does true grace differ from the idea that forgiveness gives freedom to keep sinning? [00:40:49]
Hebrews says Israel was kept out because of disobedience and then says it was because of unbelief. How should that shape the way a person understands the link between what is believed in the heart and what is done in daily life? [00:56:27]

Application questions

The faith has already been delivered by God and does not need additions. Where is there pressure right now to soften, edit, or improve what Scripture says so it will be easier to accept? How is that pressure being handled personally? [00:29:41]
False teaching usually does not announce itself loudly at first. What kinds of teaching, habits, or voices seem spiritually harmless at first but may slowly pull a person away from the truth? [00:31:54]
Grace frees people from bondage to sin, not for a life of planned disobedience. Is there any area where grace is being treated casually, as if God’s forgiveness makes sin less serious? [00:40:49]
Ungodliness is not merely bad behavior; it is life without true worship, without honoring God or giving thanks. What would it look like this week to worship God not only with words, but with submission and obedience in ordinary life? [00:35:15]
It is possible to profess to know Christ and still deny him by the way one lives. In what settings would others most clearly see whether Jesus is truly Lord—at home, at work, online, or in private? Why there? [00:45:46]
Disobedience reveals unbelief. When there is a pattern of resisting something God has clearly said, what might that reveal about what is actually being believed deep down? [00:59:29]
Only God can cure unbelief. Where is there a need to pray honestly, “Lord, I believe; help my unbelief,” instead of pretending confidence that is not really there? [01:07:07]

Sermon Clips

91s

#LiveLikeChrist

“Change your name or change your ways. I wonder, are there times are there times possibly for me that the Lord would look at me and say, Christian, either change your name or change your ways. Do we live as if Jesus is the lord of our lives? Do people around us remember Peter said that people will observe our behavior and ask us what is different about us. We're to sanctify Christ as Lord in our hearts so that people will ask us for the difference that is in us. Remember, I think I've said this before, but remember, if you if you claim to be a Christian, if you call yourself a Christian and people around you know that you profess the name of Jesus, that you claim to be a Christian, you are the best Christian somebody knows. This may be somebody that you work with at work. It may be somebody at school that you go to school with. It may be one of your neighbors. But all of us as Christians are the best Christian someone knows. Are we living like it? Are we living our lives to demonstrate the lordship of Christ in what we believe?”

63s

#UnbeliefEqualsDisobedience

“do you see that? They were not allowed to go into the promised land into into God's rest as he called it because of their disobedience. But then verse 19. So we see that they were unable to enter because of unbelief. Wait a minute. I thought you said in verse 18 that they didn't go in because of disobedience, but in the next verse, you say they didn't go in because of unbelief. And we would ask the writer of Hebrews, was it disobedience or unbelief? And he would say, Disobedience equals unbelief. God's plan for them was to come out of Egypt and go into the promised land, but they were not allowed to enter the promised land because of their disobedience. Unbelief caused their disobedience.”

42s

#FreedomToGlorifyGod

“Our freedom in Christ is to glorify God and to honor God in all that we do because prior to this, when we were lost without Jesus, we were in bondage to sin. We have been set free from that bondage to sin, and we're now free to glorify and honor God in all of our life. That's what freedom in Christ is. And these false teachers, these certain people were perverting the grace of God into sensuality. They were changing God's purpose in their lives.”

78s

#LiveChristLordship

“there is at least this strong possibility that what was wrong with these certain people, these false teachers, was not necessarily that they were teaching some kind of blatant doctrinal error like the Mormons or like the Jehovah's Witnesses. But the reality is that they probably probably were denying the sovereignty and the lordship of Christ by the way that they lived their lives. That seems to be the indication that Jude is giving us here. They were living as if Jesus was not the Lord of their lives. As as Paul said to Titus, they profess to know God, but they deny him by their works. They are detestable, disobedient, unfit for any good work. Now that means that not only these false teachers, but all of us should be warned here. Do we live in such a way that people know that Jesus is the Lord of our lives? Or do we possibly deny Christ by the way that we live?”

49s

#WatchForFalseTeachers

“These false teachers are going to be judged, he assures us. False teachers will be judged, but they have crept in unnoticed. False teachers are sneaky. False teachers will try to get into a place of responsibility, a place of teaching. And notice, it's very clear, but Jude Jude will make sure that we see that they have they have what's the word? What's the past tense of sneak? Snuck. have snuck or sneaked. Anyone. They've crept up. They've crept up on everyone but God.”

42s

#BiblicalSexualEthics

“I wanna say this. I wanna say it very clearly. It in Europe and in Canada, it is against the law to say what I'm about to say. Sadly, I believe one day it will be against the law here also. But make no mistake about it. The Bible says clearly that men have sex with men and women having sex with women is unnatural. In other words, it is not what God intended. Therefore, it is by any biblical definition, That is sin.”

42s

#PrideIsUnbelief

“Some people say, well, what about pride? And isn't that the first sin? Pride actually is a result of unbelief. Think about the first commandment. You shall have no other gods before me, God said. pride is putting myself before God in my life. Pride is also thinking higher more highly of myself than I ought to think. So when I have pride in my own heart, it's because I'm not believing God's word to keep him first and not have anything else before him.”

51s

#OngoingObedienceMatters

“Verse five there in Jude. Israel's apostasy stands as a warning to all of us who think that an initial commitment secures their future destiny without ongoing obedience. Do you remember the parable of the soils? Two of those soils, it seems that the the hearers of the word believe the word, at least initially, but something happened. The cares of the world, the devil, something happened that comes and snatches that belief in the importance being firm to the end, obeying the Lord to show that we believe the Lord.”

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