Short answer: In Matthew 6:16–18, Jesus warns against fasting like hypocrites who disfigure their faces to be noticed. He instructs his followers to wash their faces and appear normal when fasting so only God sees. The passage emphasizes that fasting is for God's approval, not human admiration. Those who fast secretly can trust God to notice and reward them.
Jesus contrasts public displays with private devotion in fasting
Jesus addresses fasting as part of a larger pattern in the Sermon on the Mount, where he corrects religious practices turned into performance. The hypocrites he describes deliberately alter their appearance to advertise their fasting, turning a spiritual discipline into social theater. His critique focuses on motivation, they seek applause from people rather than communion with God. The phrase “they have received their reward” suggests their public recognition exhausts any spiritual benefit, leaving nothing more from God. This parallels Jesus' earlier warnings about showy giving and prayer, forming a trio of corrected religious practices.
The positive instructions in 6:17–18 reveal fasting’s proper purpose: intimate engagement with God. Unlike the disheveled hypocrites, Jesus’ followers should maintain normal grooming, anointing their heads and washing faces, to keep their fasts invisible to others. The contrast between public exhibition and private devotion is stark. Jesus assumes his disciples will fast but redirects their attention from human observers to ‘your Father who is in secret.’ This shifts the discipline from external ritual to relational encounter, where God sees and rewards what others cannot.
The passage’s placement between teachings on forgiveness and eternal treasures clarifies fasting’s role in kingdom living. It’s not a standalone act but part of a whole life reoriented toward God’s values. The call to secrecy isn’t about hiding faith but protecting its authenticity from social posturing. When Jesus promises the Father ‘will reward you,’ he connects fasting to the broader theme of divine approval surpassing human praise. Unlike temporary human recognition, God’s reward aligns with the enduring ‘treasures in heaven’ described immediately afterward in 6:19–20, framing all spiritual disciplines as investments in eternity.
Jesus contrasts hypocritical and genuine fasting
Jesus warns against fasting like the religious show-offs who deliberately made themselves look haggard. The phrase “disfigure their faces” suggests they neglected basic hygiene, perhaps smearing ashes or leaving hair unkempt, to broadcast their piety. This performative fasting earned them human admiration, which Jesus bluntly calls their only reward. The problem isn’t fasting itself but using it as spiritual theater. When spiritual practices become about reputation rather than relationship with God, they lose their true purpose. Jesus’ critique targets any habit twisted into a status signal, whether in first-century synagogues or modern church culture.
Instead of disfiguring their faces, Jesus tells his followers to groom normally, anoint their heads with oil and wash. These were everyday acts of cleanliness and self-care in that culture, not signs of deprivation. The instruction hides the fast from public view, making it a private act between the person and God. This doesn’t mean fasting must always be secret (later church practice included communal fasts) but that its core purpose isn’t social signaling. The emphasis is on integrity: don’t let outward appearances contradict inward motives. Spiritual disciplines are for God’s eyes first.
Jesus redirects attention from human observers to “your Father who sees in secret.” Unlike the hypocrites who traded spiritual depth for public recognition, true fasting seeks God’s approval alone. The promise of reward comes not as a transaction (fast this way to get blessings) but as assurance that God notices faithful devotion done for him. This aligns with Jesus’ wider theme in Matthew 6: spiritual practices thrive in authenticity, not performance. Whether fasting, praying, or giving, the heart’s posture matters more than public perception. The Father’s gaze, not the crowd’s applause, gives eternal weight to temporary disciplines.
Jesus contrasts two ways to fast
Jesus critiques religious performers who fast for show. These hypocrites deliberately look miserable, disfiguring their faces to advertise their spiritual effort. Their goal is human admiration, and Jesus says they already got exactly what they wanted, people noticed. The problem isn't fasting itself but turning a spiritual discipline into theater. Jewish tradition included regular fasts, but Jesus confronts those using piety as a status symbol. His critique echoes earlier warnings about praying on street corners (6:5) and applies equally today whenever we subtly signal our spiritual achievements for social credit rather than God's approval.
Jesus' alternative approach values secrecy over spectacle. He tells his followers to wash their faces, anoint their heads with oil, and maintain normal hygiene, the opposite of appearing gaunt or unkempt. These were normal grooming practices that signaled ordinary life, not mourning or fasting. The contrast couldn't be sharper: where hypocrites seek visibility, disciples should seek invisibility. Jesus isn't banning corporate fasts but rejecting any motivation to be “seen by men.” The discipline remains between the individual and God, who sees what happens in secret just as clearly as public displays.
The passage grounds fasting in relationship, not transaction. Unlike the hypocrites who “have received their reward” (6:16), Jesus promises the Father will reward those who fast rightly. But this isn't a spiritual quid pro quo, the prior verses about forgiveness (6:14–15) show that all spiritual practices flow from reconciled relationships. The following teaching on treasures (6:19–20) confirms that God's rewards transcend earthly validation. Jesus never guarantees fasting will manipulate outcomes, but he assures us that private devotion matters to God. The reward is God himself noticing what others overlook, which reorients all spiritual disciplines toward his presence.
Jesus regulates fasting for those who practice it
Jesus assumes some will fast but focuses on how they do it, not whether they must. His “when you fast” (6:16–17) mirrors his earlier teaching on giving and prayer, he regulates an existing practice rather than commanding it. The issue isn’t fasting’s value but the motive: hypocrites “disfigure their faces” to win human admiration (6:16). Jesus contrasts this with discreet grooming, anointing one’s head and washing the face, so only God sees the fast (6:17–18). The text neither forbids fasting nor makes it universal, but it clearly rejects using spiritual disciplines as performance art.
The “reward” Jesus mentions sparks debate. Some see it as present spiritual growth, deeper God-awareness when we avoid performative religion. Others read it as future heavenly blessing, since Jesus contrasts fleeting human approval with eternal divine recognition (6:18). The text doesn’t specify, but it clearly reorients fasting from social signaling to Godward devotion. Jesus’ earlier words on prayer and forgiveness (6:14–15) suggest he cares most about the heart’s posture. The reward isn’t a transactional result of fasting but the natural outcome of seeking God rather than applause.
This passage limits itself to fasting’s manner, not its mechanics. Jesus says nothing about duration, frequency, or types of fasting, only that it must target God, not spectators. Some believers fast regularly as spiritual discipline; others reserve it for specific needs. Both can obey Jesus by keeping it between themselves and God. The central call is to resist the hypocrisy of using piety to impress others. Whether one fasts or not, all must examine their motives in spiritual practices. The Father’s approval matters infinitely more than any human notice (6:18).
Jesus redefines fasting as secret communion with the Father
Jesus contrasts two kinds of fasting, one for show, one for God. The hypocrites disfigure their faces to broadcast their piety, turning a spiritual discipline into social performance. Their reward is immediate human admiration, which exhausts the transaction. Jesus rejects this theater, commanding his followers to wash their faces and anoint their heads, normal grooming that hides the fast from public view. The difference isn’t in the act but the audience: performative religion plays to the crowd, while true fasting meets the Father in secret. Jesus assumes his hearers have this access to God, a privilege rooted in his own coming work to reconcile sinners to the Father.
This passage quietly reveals Jesus’ authority to redefine spiritual practices. The Pharisees treated fasting as a public badge of righteousness, but Jesus strips away the external trappings to expose the heart. His command to fast secretly would have sounded radical, even subversive, to those steeped in performative religion. Only someone greater than the religious system could dismantle its norms so decisively. Jesus positions himself as that authority, the one who fulfills true righteousness. His teaching here points forward to the gospel, where acceptance with God comes through Christ’s work, not our displays of devotion. The secret fast anticipates the hidden life of faith in him.
The reward Jesus promises isn’t a transactional payoff but the joy of being known by the Father. Where hypocrites settle for human applause, Jesus directs his disciples to the deeper satisfaction of God’s approval. This reflects the gospel’s upside-down logic, the last will be first, the humble exalted. Our fasting, like all spiritual disciplines, flows from Christ’s finished work, not our striving. It’s not a lever to pry blessings from God but a response to grace. Jesus’ words guard us against both pride in our piety and despair over our weakness, fixing our eyes on the Father who sees in secret and loves us in Christ.
How to fast without turning it into performance
Jesus assumes his followers will fast but warns against doing it for applause. Religious leaders of his day made sure everyone noticed their fasting with disheveled hair and gloomy faces, a first-century version of posting spiritual achievements online. But theater like this, Jesus says, earns only the fleeting reward of human admiration. The problem isn’t the act but the audience: when we fast to be seen, we’ve already gotten what we wanted. Fasting isn’t meant to prove our devotion to others but to focus our dependence on God. Normal routines like washing and grooming keep the practice between us and him.
Privacy protects fasting from becoming self-promotion. Jesus tells his disciples to wash their faces and groom themselves so no one suspects they’re fasting. This isn’t about deception but recalibrating our motives, doing spiritual work for an audience of One. Unlike public fasts called in moments of crisis, personal fasting requires no announcement. The daily rhythms of meals and social interactions continue uninterrupted. When only God knows, we’re freed from the pressure to appear pious. The spiritual discipline becomes about seeking the Father rather than curating an image of seeking him.
God rewards what he sees in secret. Jesus contrasts the temporary payoff of human recognition with the lasting reward the Father gives. This isn’t about earning favor but trusting God notices our quiet obedience. His attention matters more than any public acknowledgment. Fasting trains us to live for divine approval we already have in Christ, not the fickle approval of others. When no one else knows, we remember the gospel: our standing before God rests on Jesus’ work, not our spiritual performance. The reward is deeper communion with the One who sees and loves us in hidden places.
Biblical fidelity check
This passage warns against performative fasting, deliberately altering one’s appearance (“disfigure their faces”) to gain social approval. The key interpretive risk is assuming Jesus endorses fasting as a universal requirement; he critiques its misuse, not its absence. The text targets motivation: fasting (if done) must be for God’s eyes alone (“your Father who sees in secret”), not human recognition. The debate over “reward” hinges on whether it describes present spiritual intimacy or future divine acknowledgment, but both readings agree: authentic devotion rejects audience-driven displays.
A real disagreement concerns whether Jesus expects all followers to fast or merely reforms existing practices. The text doesn’t command fasting but assumes some will do it, regulating how, not whether. Central is the contrast: hypocrites seek visible praise (“they have received their reward”), while disciples seek God’s unseen approval. Whether fasting is obligatory or optional, the nonnegotiable principle is that genuine piety operates for God’s gaze, not public performance. The grooming instructions (anoint your head.wash your face) reinforce normalcy, true devotion doesn’t need external markers to validate itself.
Studies that take up Matthew 6:16-18 from another angle
For more on spiritual disciplines, study Jesus Denounces Hypocrisy in Matthew 23 Jesus' teaching on prayer in Matthew 6:5–15, Matthew 1: Genealogy and Birth of Jesus the purpose of fasting in Isaiah 58, Matthew 10: Jesus Sends the Twelve with Authority examples of biblical fasting in Esther 4 and Matthew 12: Lord of the Sabbath and Sign of Jonah Paul's perspective on self-control in 1 Corinthians 9.
Frequently asked questions
Did Jesus command all Christians to fast?
Jesus assumes his followers will fast (“when you fast” in 6:16) but does not give a direct command. The passage focuses on how to fast properly rather than whether to fast. Early Christians practiced fasting voluntarily as spiritual discipline, not under legal requirement.
How can I fast without drawing attention to myself?
Jesus says to maintain normal grooming and appearance while fasting (6:17). This means not discussing your fast unnecessarily, avoiding dramatic changes in behavior, and redirecting conversations about meals. The goal is keeping your focus on God rather than making others focus on your discipline.
What does the Bible say about proper motives for fasting?
Matthew 6:16–18 warns against fasting to gain human approval. Right motives include deepening dependence on God, expressing repentance, or focusing on prayer. Jesus promises God rewards sincere fasting done for him alone, unlike public displays that receive only temporary human admiration.
