From Diagnosis to Discipleship
Jude 1:17-23
But you, beloved, ought to remember the words that were spoken beforehand by the apostles of our Lord Jesus Christ, that they were saying to you, "In the last time there will be mockers, following after their own ungodly lusts." These are the ones who cause divisions, worldly-minded, devoid of the Spirit. But you, beloved, building yourselves up on your most holy faith, praying in the Holy Spirit, keep yourselves in the love of God, looking forward to the mercy of our Lord Jesus Christ to eternal life. And have mercy on some, who are doubting; save others, snatching them out of the fire; and on some have mercy with fear, hating even the garment polluted by the flesh.
What marks a false teacher?
Primarily it is their forgetfulness or maybe indifference. At any rate, the church is informed and influenced by remembrance which is a work of the Spirit. And the first indication that a teacher, prophet, or preacher is false is their self-invention and contempt for the teachings handed down by the apostles. Remembrance is the Spirit’s work in the true church; and forgetfulness (or contempt) is the air the false teachers breathe. They do not stand in the stream of what was handed down; they invent, revise, or simply disregard it. This is why Jude immediately moves into remembering "the words that were spoken beforehand by the apostles" instead of debating or attempting to refute their arguments. Jude lets the teachings teach.
And Jude doesn't invent a new warning, this tension has existed since before Jesus began his earthly ministry. The tension between those who receive the delivered faith and those who treat it as raw material for self-invention runs through the entire New Testament and, in seed form, through the Old Testament. In fact this is a common thread throughout the entire biblical story. Jude simply presses the same alarm with pastoral urgency on a congregation that is feeling the pressure.
Self-invention and contempt for the apostolic deposit are therefore early and reliable indicators. When a teacher begins to speak as though the faith once for all delivered is somehow incomplete, culturally outdated, or in need of creative updating by the present generation, the warning lights should flash.
The true teacher stands under the word; the false teacher stands over it, or beside it, or uses it as a launching pad for something else.
Often influenced by paganism, secular pursuits, or both, these "teachers" mock the apostolic teachings with their religious inventions. Sexual license, rejection of authority, and greedy exploitation dressed in spiritual language. These "mockers" are not usually open atheists; they are religious figures who follow their own ungodly lusts while still claiming spiritual authority.
Worldly lusts dressed up in priestly robes produces a religion that looks spiritual but is driven by the same appetites and assumptions that shape the surrounding culture. Absent the Spirit this compromised truth hardens them into a settled posture of independence from the apostolic deposit. They replace that witness with their own philosophical view.
And this is why it's incredibly dangerous and damaging for the church; it's not simply bad behavior or even wrong ideas in isolation, but a settled independence from the apostolic deposit. So settled an approved by their synods that entire religious communities will alter nearly everything the apostles taught and then codify that falsehood for centuries as settled religious practice and authority.
When that independence becomes institutionalized; approved, defended, and codified by councils, synods, or long-standing religious structures, it can reshape entire communities for generations.
So, where is the Spirit while this is going on? Why are these false teachers allowed to thrive and completely ignore the truth for millennia? Why does God allow their drift to become institutionalized and then endure?
Scripture does not give a shallow answer. It gives a sober one.
The Holy Spirit has never promised to prevent every form of religious corruption or to keep every institution that uses Christian language pure. Jesus Himself told us the wheat and the tares would grow together until the harvest (Matthew 13:24–30, 36–43). The apostles warned that fierce wolves would come in among the flock and that from among the elders themselves men would arise speaking twisted things (Acts 20:29–30).
So, if nothing else, this real-time example being played out in pretty much every Christian denomination, is proof positive of the Spirit's ability to predict the outcome. The presence of long-standing error inside religious structures is not evidence that the Spirit has failed; it is evidence that the warnings were true.
Paul taught that there must be factions among us so that those who are approved may become evident (1 Corinthians 11:19). A sort of sorting out or weeding process. A filtering.
These are not surprises that caught the Spirit off guard. They are the very outcomes He told us to expect. He hasn't left the building, He's allowing the building to shake out the errors.
The shaking is real. The sorting is real. The long endurance of institutionalized independence from the apostolic deposit is real. Yet none of it means the Spirit has abandoned the field. The same Spirit who warned through Jesus and the apostles is still present, still preserving a people who live by remembrance rather than by self-invention, still calling the beloved to build, to pray, to keep themselves, and to look for the mercy that is coming.
Jude turns us toward the posture that endures through all of it:
"But you, beloved, building yourselves up on your most holy faith, praying in The Spirit"
Not just simple subjective trust, but a "most holy faith". Called "most holy" because of its divine origin and character. It is not a human philosophy that rests on relativism open to revision by each new generation. It is sacred, set apart, and sufficient.
Beloved, we do not drift into maturity, nor do we wait for institutional structures to guarantee it. You’re not going to keep to the faith by osmosis. Building on the most holy faith is active, continuous, and deliberate. We must actively and continuously engage with this tension. It cannot be ignored. It requires attention to the apostolic word, a refusal of foreign language and materials, and a shared life under that consistent foundation. Maturity is not absorbed from the religious atmosphere around us; it is constructed, by the Spirit’s help, on what has already been given.
This apostolic deposit is the abundant material that has been produced by a surplus of the Spirit's work for just this purpose. Not merely for the individual to supply his own daily spiritual needs, but for the development of the whole community of faith. This deposit is stored up for us so that we can farm that seed and make new disciples. It is not for the lone soul, even the lost who are receiving faith are nearly always immediately moved to evangelism. This is why Jude’s language is plural, "building yourselves up", and the letter is concerned with the health and perseverance of the church together, not isolated private spirituality. The faith once delivered is meant to be received, guarded, taught, and passed on so that the community is strengthened and new disciples are made. That generative, discipling direction is right and important.
Personal edification and corporate building are not competitors. This is why I participate in the Kairos prison ministry. Even though I am troubled to my soul by the errors of the modern church, I know I cannot persevere in an isolated private spirituality. I must abide in the community Christ has established in some way or another.
The danger Jude addresses is not personal use of the deposit, but replacing it with self-invented teaching.
Keep watch! Use a mirror when necessary.
Amen 🙏🏼