Matthew 17:21 — God Heals and Delivers
- Elisabeth H. Drew
- Feb 7
- 12 min read
Matthew 17:21 is a verse that sparks much debate and confusion among readers of the New Testament. Its presence—or absence—in various Bible translations has led to misunderstandings about what it truly teaches.
In recent years, especially through Christian content on social media and YouTube, this subject is sometimes presented as a conspiracy or as evidence of inconsistency in the accuracy of the Bible. However, these portrayals often prioritize controversy, visibility, and engagement over careful study. What is shared for likes, views, or shock value does not reflect the reality of biblical scholarship, manuscript history, or the faithfulness of Scripture when read with discernment and context.
This verse does not promote human power or special formulas for healing and deliverance. Instead, it calls believers to humility, prayer, fasting, and dependence on God’s power alone.
In this article, Matthew 17:21 — God Heals and Delivers, we will explore why this verse is missing in some modern Bibles, where it is still found, what it actually teaches, and why it matters deeply for discernment in today’s noisy Christian culture.
Bible Verse
Matthew 17:21 (World English Bible)
Matthew 17:21 “However this kind doesn’t go out except by prayer and fasting.”
This Verse Does Not Teach Human Power — It Teaches Dependence
Matthew 17:21 appears in the context of Jesus responding to His disciples after they failed to help a suffering child. The disciples asked why they could not help, and Jesus did not tell them they needed louder words, stronger faith formulas, or greater authority.
He pointed them back to dependence on God. This verse does not suggest that prayer and fasting give humans power. It reveals that some situations expose our limits and remind us of God’s sovereignty.
Prayer is not control.
Fasting is not a technique.
Both are expressions of humility, surrender, and trust.
The message is simple and profound: When human ability ends, dependence on God must deepen.
Why Matthew 17:21 Is Missing in Many Modern Bibles
Many modern Bible translations do not include Matthew 17:21 in the main body of the text. This often alarms readers, but it is important to understand what is actually happening.
Some early Greek manuscripts used in modern critical editions do not contain this verse. Because of this, translators chose to omit it from the main text. However, the verse is usually preserved in footnotes, acknowledging its presence in many other manuscripts.
This means the verse was not erased or hidden. It was a textual decision, not a theological rejection.
Importantly, the teaching of Matthew 17:21 is not isolated. It appears consistently across Scripture, including parallel passages such as Mark 9:29 and the broader biblical theology of prayer and fasting.
Which Bibles Include Matthew 17:21 and Why
Bible translations that rely on the Byzantine manuscript tradition or the Textus Receptus include Matthew 17:21 fully in the text. These manuscripts represent the majority of ancient copies used by the early Church.
Translations such as the King James Version, New King James Version, World English Bible, Young’s Literal Translation, Geneva Bible, and Douay-Rheims Bible all include this verse. The reason is not doctrinal bias, it is manuscript tradition.
Regardless of translation preference, responsible Bible reading requires paying attention to footnotes, manuscript history, and cross-references.
Why Modern Healing and Deliverance Ministries Would Be Questioned by This Verse
If Matthew 17:21 were emphasized more clearly in modern preaching, many contemporary healing and deliverance ministries would face serious theological scrutiny.
This verse does not support instant results.
It does not support public spectacle.
It does not support human authority claims.
Instead, it emphasizes humility, prayer, fasting, and God’s timing.
A ministry built on personalities, declarations, or staged manifestations—often led by self-proclaimed ministers, disciples, apostles, or healers claiming authority in the name of Jesus—cannot stand firmly on this verse. Such practices redirect attention from God’s sovereignty to human performance, where it does not belong.
Healing and Deliverance Are Often Taught Out of Context
Many healing and deliverance teachings rely on isolated Bible verses removed from their context. Words like “authority,” “power,” and “anointing” are often emphasized without the full biblical framework. When Scripture is fragmented in this way, teachings can drift from dependence on God toward confidence in human ability.
Scripture consistently shows that healing and deliverance belong to God.
Jesus healed.
Jesus delivered.
Jesus commanded.
No verse teaches that believers possess inherent power to heal others at will. When Scripture is read in context, it confirms that God alone acts, according to His will and for His glory.
Because of this, Scripture repeatedly warns believers to exercise discernment and to be alert to false teachers—especially those who appear spiritual, powerful, or convincing.
Proverbs 25:14 Like clouds and wind without rain is a man who boasts of gifts deceptively.
This verse captures the danger of outward display without substance. Promises of power or healing that do not rest on God’s will are like empty clouds—impressive in appearance, but lacking the life-giving rain of truth.
Jesus Himself warned that not every spiritual claim made in His name is from God.
Matthew 7:22–23 Many will tell me in that day, ‘Lord, Lord, didn’t we prophesy in your name, in your name cast out demons, and in your name do many mighty works?’ Then I will tell them, ‘I never knew you. Depart from me, you who work iniquity.’
These words are sobering. They reveal that external signs, dramatic acts, and religious language—even when done “in the name of Jesus”—do not guarantee obedience, relationship, or truth.
Jesus also warned that deception would increase and that false signs could mislead many.
Matthew 24:24 For false christs and false prophets will arise, and will show great signs and wonders, so as to deceive, if possible, even the chosen ones.
Scripture does not deny that signs can occur. It warns that signs alone are not proof of God’s approval. This is why discernment must always be grounded in the Word of God, not in emotional experiences, appearances, or claims of authority.
Biblical teaching consistently redirects our attention away from human performance and back to God’s sovereignty. Healing and deliverance are acts of God’s mercy, not tools for human ministry. When teaching moves away from Scripture and toward spectacle, the risk of deception grows.
True ministry does not magnify the minister.
It magnifies God.
We Are Not Apostles — And We Are Not Like the Disciples in the Bible
The apostles and the original disciples were uniquely chosen, commissioned, and authorized by Jesus for a specific purpose and time in redemptive history.
They were chosen by Jesus personally during His earthly ministry and were given authority for a specific purpose: to bear witness to His identity as the Son of God, to proclaim the coming of the Kingdom, and to confirm the truth of the gospel during the foundational period of the Church.
Their authority was not self-appointed, learned, or inherited; it was granted directly by Jesus for that moment in redemptive history. The signs and works associated with their ministry served to point people to Christ, not to themselves, and were never meant to establish a continuing class of miracle workers or spiritual elites.
What must be remembered, however, is that the central and lasting focus of their ministry was teaching and spreading the Word of God. This is the pattern that continues for believers today. As sinful people with no power of our own, we are not called to perform signs or claim authority, but to faithfully teach, study, and speak the Scriptures, pointing others to Christ and trusting God alone to act according to His will.
We are not apostles.
We are not commissioned to heal.
We are not given supernatural authority to cast out demons.
The Holy Spirit does not give magical powers.
The Bible never commands believers to heal others.
We are commanded to teach, love, serve, and bring the Word of God to others.
God does the rest.
Prayer and Fasting as Dependence on God
Prayer is relationship.
Prayer is surrender.
Prayer is trust.
Prayer is not a transaction or a demand.
Scripture never presents prayer as a way to control God or obligate Him to act according to human will. Prayer is the posture of bringing everything before God—our fears, needs, burdens, sins, and hopes—and submitting ourselves fully to His will. In prayer, we trust that God hears us and that He acts according to His perfect wisdom, not human expectation.
1 John 5:14 This is the boldness which we have toward him, that if we ask anything according to his will, he listens to us.
Through prayer, we give thanks.
Through prayer, we confess our sins.
Through prayer, we lay down burdens.
Through prayer, we trust God fully.
Fasting is not punishment.
It is not about duration.
It is about intention.
Biblical fasting is an act of humility and dependence. It quiets the body and the mind, creates space for God, and reorients the heart toward Him. Whether fasting for part of a day or for several days, fasting must always be accompanied by prayer and engagement with Scripture. Without prayer and the Word, fasting loses its biblical purpose. Fasting does not earn God’s favor; it expresses reliance on Him.
Jesus Himself teaches that fasting is not meant to be public, dramatic, or performative, but hidden and sincere.
Matthew 6:16–18 Moreover when you fast, don’t be like the hypocrites, with sad faces… but when you fast, anoint your head and wash your face, so that you are not seen by men to be fasting, but by your Father who is in secret; and your Father, who sees in secret, will reward you.
This is why Jesus connects prayer and fasting in Matthew 17:21. The verse does not promise power to believers; it reveals the depth of dependence required when human strength is insufficient.
Matthew 17:21 However this kind doesn’t go out except by prayer and fasting.
Jesus affirms the same truth elsewhere, showing that some struggles expose human limitation and require deeper humility rather than stronger declarations.
Mark 9:29 He said to them, “This kind can come out by nothing, except by prayer and fasting.”
This posture of dependence is consistent throughout the Old Testament. When God’s people faced fear, uncertainty, or danger, they fasted—not to gain power, but to seek God’s mercy and guidance.
Esther 4:16 Go, gather together all the Jews who are present in Shushan, and fast for me… and so will I go in to the king, which is not according to the law; and if I perish, I perish.
Esther’s fasting was an act of surrender, not control.
Ezra 8:23 So we fasted and begged our God for this, and he granted our request.
Through the prophets, God calls His people to return to Him with sincere hearts, not outward displays.
Joel 2:12“Yet even now,” says Yahweh, “turn to me with all your heart, and with fasting, and with weeping, and with mourning.”
Throughout both the Old and New Testaments, prayer and fasting are never presented as tools for human authority, spiritual power, or control. They are acts of surrender that remove confidence in self and place God at the center.
Matthew 17:21 does not elevate the believer.
It humbles the believer.
God heals.God delivers.
God acts according to His will.
.
Prayer and fasting draw us closer to Him—not so that we may command outcomes, but so that we may trust Him fully.
Jesus Is Our Lord, Savior, Teacher, and Rabbi
Some claim that studying the Bible is unnecessary and that faith alone replaces knowledge. This contradicts Scripture.
Jesus studied the Scriptures.
Jesus taught in the temple.
Jesus instructed His disciples through Scripture.
The Bible commands us to grow in Biblical knowledge, wisdom, and discernment.
Faith and Biblical knowledge are not opposites, they work together.
Scripture also warns us that human feelings can distort interpretation. This is why studying the Bible with proper tools, context, and humility matters deeply. Renewal of the mind comes through truth, not emotion.
Serving Jesus by Bringing the Word — and Letting God Act
Our role is not to perform.
Our role is not to fix.
Our role is not to heal.
Scripture never presents believers as the source of power. Power belongs to God alone. When ministry becomes centered on what humans can do, say, or demonstrate, the focus quietly shifts away from Christ and onto the individual. Biblical ministry, however, always moves in the opposite direction.
Our calling is simple and faithful: to bring people to the Word of God and to point them to Jesus. The Word reveals truth, convicts the heart, and leads people into repentance and faith. It is through God’s Word that lives are transformed—not through human effort or spiritual performance.
God heals.
God delivers.
God transforms.
These works are acts of divine grace, carried out according to God’s will and timing, not human desire or declaration. When we attempt to take credit or control outcomes, we step beyond our calling and into territory that belongs to God alone.
True service is obedience, not outcome. We teach the Scriptures, speak truth in love, pray with humility, and trust God with the results. Faithful ministry does not demand visible success; it rests in trust that God is at work, even when we do not see immediate change.
We serve faithfully and entrust every outcome to Him.
Why This Verse Matters in Today’s Christian Culture
Modern Christian culture often emphasizes quick fixes, formulas, and displays of power in healing and deliverance ministries. Matthew 17:21 reminds us that true spiritual breakthroughs come from a posture of humility and dependence on God.
Scripture calls us to meditate on God’s Word day and night.
Joshua 1:8 “This book of the law shall not depart from your mouth, but you shall meditate on it day and night, that you may observe to do according to all that is written in it.”
Here are some practical reasons why this verse remains relevant:
Discernment in ministry: It warns against using authority words or formulas as magic spells. Genuine healing and deliverance require a heart aligned with God.
Encouragement for spiritual growth: Prayer and fasting are disciplines that deepen faith and prepare believers for spiritual challenges.
Balance in expectations: Not every battle is won instantly or by human effort alone. Some require patience and spiritual preparation.
Focus on God’s power: It shifts attention from human ability to God’s sovereign work in healing and deliverance.
When we witness showmanship, emotional manipulation, or dramatic displays presented as miracles, we must exercise discernment. Psychological and emotional responses can be mistaken for spiritual power.
Scripture calls us to test everything against God’s Word.
Only God heals.
Only Jesus saves.
Only His will prevails.
By embracing the message of Matthew 17:21, believers can avoid the pitfalls of pride and superficial spirituality, growing instead in authentic faith and reliance on God.
Practical Ways to Study, Pray, and Fast
Bible study involves reading, cross-referencing, understanding historical context, and seeking God’s wisdom.Prayer involves honesty, humility, and trust.Fasting involves intention, simplicity, and Scripture.
Here are some practical steps for living out its message:
Commit to regular prayer and fasting: Set aside time to seek God intentionally, especially when facing spiritual challenges.
Cultivate humility: Recognize your limitations and surrender control to God.
Avoid quick-fix mentalities: Resist the temptation to rely on formulas or rituals for healing and deliverance.
Seek God’s guidance: Approach spiritual battles with prayerful dependence, asking God for wisdom and strength.
Encourage community support: Engage with fellow believers in prayer and fasting, recognizing the power of corporate spiritual discipline.
None of these practices are about performance, all are about relationship. These practices help believers align with God’s will and experience His power in their lives.
Last Thoughts about Matthew 17:21 — God Heals and Delivers
Even though Matthew 17:21 does not appear in every published Bible, it is preserved in footnotes and confirmed by the broader witness of Scripture. This is why reading multiple translations, studying footnotes, and researching context matters.
Matthew 17:21 is not the only verse that teaches the importance of prayer and fasting. The Bible consistently points us back to Jesus, not to human authority. When people claim to be chosen, empowered, or uniquely gifted to heal, Scripture warns us about false teachers.
Unfortunately, the Bible also shows us that false teachers are more numerous than obedient servants of God. Many begin with sincere intentions, but over time drift toward personal influence, recognition, or control. This pattern is not new, and it reflects the reality of human weakness and our sinful nature.
No human being is immune to pride or self-deception. This is why Scripture continually calls believers to humility, accountability, and submission to God’s Word. Only Jesus lived in perfect obedience. Only Jesus remained without sin. All others are called to serve under His authority, not alongside it or in place of it.
There are many voices, but only one truth.
Our focus must always remain on Jesus, His Word, and His will.
Prayer
Lord Jesus,
You alone heal.
You alone deliver.
You alone save.
Teach us humility, discernment, and dependence on You.
Guide us into Your Word, shape our minds with truth, and guard us from deception.
Help us serve faithfully, love deeply, and trust You fully.
We place our hope in You alone.
Amen.
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