You Will Know Them By Their Fruit: Discerning the Real Jesus from Counterfeit Christs

We live in an age of unprecedented spiritual confusion. Jesus Himself warned: "For false christs and false prophets will arise and perform great signs and wonders, so as to lead astray, if possible, even the elect" (Matthew 24:24). The danger is not merely that false teachers exist, but that they are often indistinguishable from true believers—at least at first glance. They come "in sheep's clothing" (Matthew 7:15), wearing the language of Christianity, quoting Scripture, and appearing righteous.

How then can we know if someone is truly following the real Jesus, or if they are being misled and believing a created christ that is not really Christ at all? Jesus gave us the answer: "You will recognize them by their fruits" (Matthew 7:16). This is the foundational principle: you will know them by their fruit. But to apply this test correctly, we must understand what "fruit" means in Scripture and how to evaluate it biblically. The promise remains: you will know them by their fruit.

1. Understanding the Context: The Warning Against False Prophets

The phrase "you will know them by their fruit" comes from the conclusion of Jesus' Sermon on the Mount. To grasp its full meaning, we must understand the immediate context.

In Matthew 7:13-14, Jesus presents two paths: the narrow gate that leads to life, and the wide gate that leads to destruction. He then immediately warns: "Beware of false prophets, who come to you in sheep's clothing but inwardly are ravenous wolves" (Matthew 7:15).

The connection is critical. False prophets are precisely those who would lead people onto the broad path of destruction while appearing to be guides to the narrow way. They are "wolves in sheep's clothing"—they look like shepherds, talk like shepherds, but their intent is to devour the flock. In the Old Testament, false prophets often wore the same rough garments as true prophets to deceive people (Zechariah 13:4). Today, they wear evangelical clothing: they attend seminaries, use Christian terminology, and may even demonstrate remarkable spiritual gifts.

Jesus then gives the solution, repeating His core principle: "You will recognize them by their fruits. Are grapes gathered from thornbushes, or figs from thistles? So, every healthy tree bears good fruit, but the diseased tree bears bad fruit. A healthy tree cannot bear bad fruit, nor can a diseased tree bear good fruit. Every tree that does not bear good fruit is cut down and thrown into the fire. Thus you will recognize them by their fruits" (Matthew 7:16-20). Three times in this passage, Jesus emphasizes that you will know them by their fruit. The repetition is intentional: this is how disciples are to exercise discernment.

The principle is simple but profound: the nature of a tree is revealed by what it produces. A thornbush cannot produce grapes; a thistle cannot produce figs. In the same way, a person's true spiritual condition will eventually be manifest through the fruit of their life. As Jesus said, you will know them by their fruit.

2. What Exactly Is "Fruit" in the Bible?

To apply the test that you will know them by their fruit, we must first understand what Scripture means by "fruit." The Bible uses this metaphor in several interconnected ways:

A. Fruit as Character (The Fruit of the Spirit)

The most explicit definition of spiritual fruit comes from Galatians 5:22-23: "But the fruit of the Spirit is love, joy, peace, patience, kindness, goodness, faithfulness, gentleness, self-control; against such things there is no law." Notice that the Greek word for "fruit" (karpos) is singular. Paul lists nine virtues, but he calls them one fruit. This means these qualities are inseparable—a person genuinely indwelt by the Spirit will display all of them, to varying degrees, over time. When we consider that you will know them by their fruit, the fruit of the Spirit is the primary evidence we must examine.

Love stands at the head of the list because it is the root from which all other fruits grow. As the church father Jerome remarked, "Without love other virtues are not reckoned to be virtues. From love is born all that is good." Therefore, when evaluating whether someone follows the real Jesus, we must look for the presence of Spirit-produced love—not merely natural affection or charisma, but the supernatural love that "is patient and kind... does not envy or boast... is not arrogant or rude" (1 Corinthians 13:4-5). This is a crucial aspect of why you will know them by their fruit.

B. Fruit as Behavior (Good Works)

Scripture also describes good works as fruit. Paul prays that believers would "walk in a manner worthy of the Lord, fully pleasing to him: bearing fruit in every good work and increasing in the knowledge of God" (Colossians 1:10). John the Baptist called for "fruit in keeping with repentance" (Matthew 3:8), indicating that true repentance produces visible change in behavior. The principle that you will know them by their fruit applies directly to observable conduct.

The story of Zacchaeus illustrates this perfectly. When he encountered the real Jesus, he immediately declared: "Behold, Lord, the half of my goods I give to the poor. And if I have defrauded anyone of anything, I restore it fourfold" (Luke 19:8). His transformed behavior confirmed the reality of his faith. Here we see clearly that you will know them by their fruit—Zacchaeus's fruit was his changed life.

C. Fruit as Doctrine and Teaching

Crucially, in the context of identifying false prophets, "fruit" refers primarily to their message—their teaching and doctrine. A person who professes to be a prophet is either a rotten tree or a good tree. If he is a rotten tree he is a false prophet, and so he is not going to produce a good message. This is another reason you will know them by their fruit: their teaching reveals their true nature.

This interpretation is confirmed by Matthew 12:33-37, where Jesus again uses the tree-fruit metaphor and explicitly applies it to words: "For out of the abundance of the heart the mouth speaks. The good person out of his good treasure brings forth good, and the evil person out of his evil treasure brings forth evil. I tell you, on the day of judgment people will give account for every careless word they speak" (Matthew 12:34-36). The fruit of a prophet is his prophecy—his message. Once again, Jesus affirms that you will know them by their fruit—in this case, the fruit of their lips.

Thus, when discerning whether someone follows the real Jesus, we must carefully examine what they teach about Him. Their doctrine is part of their fruit, and you will know them by their fruit.

3. The Doctrinal Test: Does This Person Confess the Real Jesus?

The Apostle John provides the most direct test for distinguishing the Spirit of truth from the spirit of error: "By this you know the Spirit of God: every spirit that confesses that Jesus Christ has come in the flesh is from God, and every spirit that does not confess Jesus is not from God" (1 John 4:2-3). This is a critical application of the principle that you will know them by their fruit—the fruit of their confession.

This confession involves far more than merely saying the name "Jesus." It requires affirming the full biblical portrait of who He is. When we test teachers by this standard, you will know them by their fruit—the fruit of their doctrine.

A. The Real Jesus Is Fully God

The real Jesus is the eternal, uncreated Son of God. John's Gospel opens: "In the beginning was the Word, and the Word was with God, and the Word was God" (John 1:1). Jesus claimed the divine name "I AM" (John 8:58), and Thomas worshiped Him as "My Lord and my God" (John 20:28). Anyone who denies the full deity of Christ—who presents a Jesus who is a created being, a prophet, or a lesser god—is presenting a different Jesus, not the real one. Their doctrine is bad fruit, and you will know them by their fruit.

B. The Real Jesus Came in the Flesh

John's test emphasizes that Jesus Christ "has come in the flesh" (1 John 4:2). This affirms both His full humanity and the incarnation—that the eternal Son took on human nature. Those who deny the virgin birth, or who teach that Jesus was merely a spiritual apparition, or who reject His physical resurrection, are not confessing the real Jesus. Their teaching reveals them, for you will know them by their fruit.

C. The Real Jesus Died as a Substitutionary Sacrifice

The real Jesus came "to give his life as a ransom for many" (Mark 10:45). He bore our sins in His body on the tree (1 Peter 2:24). Any teaching that diminishes the cross—whether by adding human works to salvation, denying the need for atonement, or presenting Jesus as merely an example to follow rather than a Savior to trust—distorts the real Jesus. Such doctrine is rotten fruit, and you will know them by their fruit.

D. The Real Jesus Is the Only Way

The real Jesus declared: "I am the way, and the truth, and the life. No one comes to the Father except through me" (John 14:6). Those who follow the real Jesus affirm His exclusivity. Those who present Jesus as one path among many, or who teach universal salvation regardless of faith in Christ, are following a created christ. Their message contradicts Scripture, and you will know them by their fruit.

Paul warned of those who preach "another Jesus" (allon Iēsoun)—a different Jesus than the one he proclaimed (2 Corinthians 11:4). This "other Jesus" may look similar, but he is a counterfeit. The test of doctrine is essential: if someone's teaching about Christ deviates from Scripture, they are not following the real Jesus, regardless of their apparent sincerity or spiritual power. As Jesus said, you will know them by their fruit.

4. The Character Test: Does This Person Bear the Fruit of the Spirit?

While false prophets can mimic good behavior for a time, their true character eventually emerges. Jesus said that a bad tree cannot bear good fruit (Matthew 7:18)—meaning that a person who is spiritually corrupt cannot consistently produce the fruit of the Spirit. This is why you will know them by their fruit: the fruit reveals the tree.

A. The Fruit of the Spirit as Evidence of Genuine Faith

The fruit of the Spirit is not moralism or human effort; it is the supernatural product of the Spirit's indwelling presence. As Augustine noted, an evil tree "cannot bring forth good fruits"—not because it might not try, but because the fruit is the product of the tree's nature. A person must first become good (through regeneration) to produce good fruit. Therefore, you will know them by their fruit—their character testifies to their spiritual condition.

When evaluating whether someone follows the real Jesus, look for:

• Love: Selfless, sacrificial care for others, especially for the brethren (1 John 3:14).

• Joy: Deep-seated contentment and gladness in God, independent of circumstances.

• Peace: Inner tranquility rooted in reconciliation with God.

• Patience: Long-suffering endurance with difficult people and situations.

• Kindness: Practical tenderness and benevolence toward others.

• Goodness: Moral excellence and generosity.

• Faithfulness: Reliability and steadfastness in commitment.

• Gentleness: Strength under control, humility in power.

• Self-control: Mastery over one's desires and impulses.

The presence or absence of these qualities is exactly why Jesus said you will know them by their fruit.

B. The Contrast: Works of the Flesh

Paul contrasts the fruit of the Spirit with the "works of the flesh": "sexual immorality, impurity, sensuality, idolatry, sorcery, enmity, strife, jealousy, fits of anger, rivalries, dissensions, divisions, envy, drunkenness, orgies, and things like these" (Galatians 5:19-21). Those who practice such things "will not inherit the kingdom of God." When these works characterize a person's life, you will know them by their fruit—the fruit is rotten.

False teachers are often marked by these fleshly works, even when disguised in sheep's clothing. Peter describes them as having "eyes full of adultery, insatiable for sin" and "hearts trained in greed" (2 Peter 2:14). They may be eloquent and appealing, but their character eventually betrays them. In this too, you will know them by their fruit.

C. The Specific Marks of False Teachers

Scripture identifies several character traits that distinguish false teachers from true shepherds. Each of these is a type of fruit by which you will know them by their fruit:

1. Greed and Financial Exploitation
False prophets are often marked by greed. Paul warned that they "teach for dishonest gain" (Titus 1:11). Peter adds: "And in their greed they will exploit you with deceptive words" (2 Peter 2:3). While faithful ministers may receive support (1 Timothy 5:18), those who constantly pressure for money, who make wealth a sign of spirituality, or who live extravagantly while exploiting the flock, reveal bad fruit. Here again, you will know them by their fruit.

2. Pride and Self-Exaltation
False teachers commonly display pride. Diotrephes, who "loves to be first" (3 John 9), exemplifies this spirit. They may claim special revelations, demand unquestioning loyalty, or present themselves as uniquely anointed. True servants of Christ exhibit humility, pointing glory to Him alone. Their pride is fruit, and you will know them by their fruit.

3. Controlling and Abusive Leadership
False prophets "worm their way into homes and gain control over gullible women" (2 Timothy 3:6 NIV). They seek to control people's time, money, and relationships, becoming abusive when others exercise independent judgment. They are "rebellious" against authority while demanding submission from others (Titus 1:10). This behavior is bad fruit, and you will know them by their fruit.

4. Divisiveness and Lack of Love for the Brethren
John writes: "We know that we have passed out of death into life, because we love the brothers" (1 John 3:14). Those who follow the real Jesus love His people. False teachers, by contrast, often sow division, creating factions and separating followers from the broader body of Christ. Their divisiveness is fruit, and you will know them by their fruit.

5. Immorality and Lack of Self-Control
While some false teachers maintain outward morality, many are marked by secret sin—especially sexual immorality. Peter warns of those who "count it pleasure to revel in the daytime" and have "eyes full of adultery" (2 Peter 2:13-14). Such patterns reveal that the tree is corrupt. As with all these marks, you will know them by their fruit.

5. The Danger of Counterfeit Fruit

A crucial nuance in this discussion is that false prophets can produce what looks like good fruit. Jesus warned that they come "in sheep's clothing" (Matthew 7:15). They may pray, fast, give alms, and perform religious duties—all while being ravenous wolves. This is why the command you will know them by their fruit requires careful discernment: not everything that appears to be fruit is genuine.

Augustine addressed this directly: "Many reckon among the fruits certain things which belong to the sheep's clothing, and in this way are deceived by wolves: as, for instance, either fastings, or prayers, or almsgivings." Hypocrites can do all these things for selfish motives—to be seen by others, to gain influence, to build a platform. Yet even here, if we look closely enough, you will know them by their fruit—the fruit of wrong motives eventually becomes apparent.

This is why we must look deeper than external religious activity. The fruit that identifies a true follower of Christ includes:

• Motives: Are they seeking God's glory or their own? (John 7:18)

• Consistency: Is there enduring character over time, not just occasional good deeds?

• Doctrine: Does their teaching align with Scripture?

• Love: Do they genuinely love God's people, especially those who can offer nothing in return?

When we examine these deeper dimensions, you will know them by their fruit.

6. The Necessity of Patient Observation

Paul instructs Timothy: "Do not be hasty in the laying on of hands" (1 Timothy 5:22). Some people's sins "are obvious, going before them to judgment, but for others they show up later" (1 Timothy 5:24). The same is true of good works: some are obvious, while others become apparent only over time. This means that the principle you will know them by their fruit requires patience.

We cannot always identify a false teacher immediately. We must observe their life and teaching over time, allowing the fruit to ripen and reveal the tree's true nature. As Jesus said, "You will recognize them by their fruits" —implying that recognition comes through careful, ongoing observation. The verb tense suggests a process: over time, as you watch, you will know them by their fruit.

7. Self-Examination: Am I Following the Real Jesus?

Finally, we must apply this test to ourselves. Jesus' warning about false prophets is immediately followed by a sobering passage about self-deception: "Not everyone who says to me, 'Lord, Lord,' will enter the kingdom of heaven, but the one who does the will of my Father who is in heaven" (Matthew 7:21). Many will point to their religious works—prophesying, casting out demons, doing mighty deeds—only to hear Jesus say, "I never knew you; depart from me, you workers of lawlessness" (Matthew 7:23). The principle you will know them by their fruit applies to ourselves as well.

This should cause each of us to examine ourselves (2 Corinthians 13:5). Ask yourself:

• Do I confess the real Jesus? Do I affirm His full deity, His genuine humanity, His substitutionary death, His bodily resurrection, and His exclusive claim to be the only way to the Father? This is the fruit of my lips, and you will know them by their fruit—including my own.

• Does my life bear the fruit of the Spirit? Is there growing evidence of love, joy, peace, patience, kindness, goodness, faithfulness, gentleness, and self-control? Or do the works of the flesh still dominate? This is the fruit of my character, and you will know them by their fruit.

• Do I love the brethren? Am I genuinely connected to God's people, serving them, forgiving them, and bearing with them? This is the fruit of my relationships, and you will know them by their fruit.

• Am I submitted to God's Word? Do I test what I hear against Scripture, or do I follow teachers uncritically? This is the fruit of my discernment, and you will know them by their fruit.

The real Jesus saves, transforms, and keeps His people. A created christ—no matter how attractive—cannot save. As Peter said, "There is salvation in no one else, for there is no other name under heaven given among men by which we must be saved" (Acts 4:12). And we can identify those who follow the real Jesus because, as He promised, you will know them by their fruit.

Conclusion: Growing in Discernment

The ability to distinguish the real Jesus from counterfeits, and true shepherds from false ones, is not optional for believers. It is a matter of spiritual survival. Paul commended the Bereans for examining the Scriptures daily to verify what they heard (Acts 17:11). John urged believers to "test the spirits" (1 John 4:1). Jesus Himself gave the fruit test as a practical tool for discernment, repeatedly emphasizing that you will know them by their fruit.

To grow in discernment:

1. Immerse yourself in Scripture. The better you know the real Jesus, the easier it is to spot a counterfeit. Scripture is the standard by which we evaluate fruit, for you will know them by their fruit only when we know what good fruit looks like.

2. Pray for spiritual discernment. The Spirit illuminates truth and guards against deception (John 16:13). Ask God to help you see clearly so that you will know them by their fruit.

3. Stay connected to the body. Isolation makes us vulnerable. The broader community of faith provides accountability and wisdom, helping us apply the principle that you will know them by their fruit.

4. Watch patiently. Do not be hasty to embrace or reject. Observe the fruit over time, trusting Jesus' promise that ultimately you will know them by their fruit.

May we be among those who, having heard the Shepherd's voice, follow the real Jesus alone—and help others to do the same. And may we always remember His words: "You will recognize them by their fruits... Thus you will recognize them by their fruits" (Matthew 7:16, 20). For in the end, you will know them by their fruit.