Short answer: Matthew 6:16–18 does not contain the word Lent and does not command a forty-day season. Jesus says "when you fast," treating fasting as something his followers will do, and then rules out fasting done to be noticed by people. Lent is a later church tradition, so the passage answers the reader's question by supplying the standard by which any Lenten fast should be examined: secrecy before the Father, not display before others.
Where Jesus places fasting in the sermon on the mount
Matthew 6:16–18 sits inside the Sermon on the Mount, Jesus' extended teaching to his disciples about life under God's rule, delivered with crowds within earshot. The immediate unit treats three religious practices in sequence: giving, prayer and fasting. Each follows the same shape. Jesus warns against performing the practice to be noticed, then describes the quiet alternative, then points to the Father who sees what is hidden. The audience is Jewish, and fasting was already an established devotion, not something Jesus invents here. He assumes his people will fast; the question he presses is who the practice is for.
The literary shape of 6:16–18 is a deliberate contrast. Jesus first paints the hypocrite: a sad face, a disfigured appearance, fasting staged so others will see it. His verdict is that such a person has received their reward in full, the notice itself being the payment. Then comes the positive command: anoint your head and wash your face, ordinary grooming that hides the fast rather than advertising it. The closing line names the Father twice, the one who sees in secret. The pattern matches the giving and prayer material around it, and it assumes fasting continues among disciples without fixing dates, durations or a church calendar.
Read alongside the forgiveness verses just before and the treasure verses just after, the section asks one question: what actually rules the heart? Jesus is not setting a quota of religious performance, and nothing here says a fast earns God's favor or guarantees a particular reward. The test is direction: is this aimed at God or at the notice of others? That question reaches every Lenten practice. Fasting is a bodily discipline that some cannot undertake safely, and those with medical or eating-related concerns should seek appropriate care rather than carry it as an obligation. What stays central is the Father who sees in secret.
What Jesus says about fasting in secret
Jesus turns from almsgiving and prayer to fasting, and the wording assumes his hearers will fast: he says when you fast, not if. The contrast is with the hypocrites, a word that pictures people acting a part on a stage. Their sadness is a costume. Matthew 6:16 describes them disfiguring their faces so that others will notice the discipline. The problem is not fasting but the audience. Fasting was a real practice in Israel, and Jesus neither abolishes it nor commands it here. He exposes the desire to be seen, then tells his disciples how to fast when they do.
The instruction that follows is almost comically ordinary. Anoint your head and wash your face, Jesus says in 6:17. That is not a special ritual but the everyday grooming of a person getting ready for the day. The point is that fasting should be invisible to onlookers, not advertised. Jesus sets the hidden act before the Father who sees in secret, and he leaves the reward unspecified. Matthew 6:18 says the Father will reward you, but it does not say what the reward is or when it comes. The reward stays in the Father's hands, which keeps fasting from becoming a transaction.
This passage describes a practice, not a requirement, and it makes no promise that fasting earns God's favor or produces a particular outcome. Grace comes first: the Father who sees in secret is already watching over his children, and the discipline is a response, not a payment. Read alongside 6:14–15, the section also warns against turning devotion into a performance. Anyone with medical or eating-related concerns should seek appropriate care rather than treat fasting as an obligation. The call here is to honesty before God, not to visible misery.
What Jesus says about fasting and the Father who sees in secret
Matthew 6:16–18 never uses the word Lent and never sets a season. What it does is assume fasting: Jesus says "when you fast," not if. His hearers were Jewish disciples in a setting where fasting was already an established practice, so he is not introducing a novelty but correcting how an old practice is done. He warns against the hypocrites who disfigure their faces so others will notice. The instruction is to anoint the head and wash the face, ordinary grooming, so the fast stays unseen. The passage governs motive, not calendar. It says nothing about fixed dates, lengths or a church-wide season.
The immediate context sharpens the test. In the Sermon on the Mount Jesus treats giving, prayer and fasting in sequence, and each follows the same pattern: do not perform for display, and the Father who sees in secret will reward. Verses 14–15 on forgiveness and verses 19–20 on treasure keep the whole section on one question, which master the heart actually serves. So the passage supplies a single criterion for any fast, Lenten or otherwise: is this aimed at God or at the notice of others? That question, not a date on a calendar, is what Jesus presses here.
This is wisdom for the heart, not a promise that fasting earns God's favor or guarantees a particular reward. The reward named belongs to the Father's hidden seeing, and it is his to give. Grace comes first: we fast as those already seen and known by God, not to secure his attention. The passage also leaves room for wisdom about the body. Fasting is assumed, not commanded as an obligation for everyone, and those with medical or eating-related concerns should seek appropriate care rather than treat it as a duty. Lent is a later church tradition; this text gives the principle by which it is judged.
Where readers differ on fasting and lent
Evangelical readers largely agree on what Jesus is doing here. He assumes his disciples will fast, just as he assumes they will pray and give, and he warns against arranging your face so people can tell. The hypocrites in 6:16 disfigure their faces to be seen fasting; Jesus says wash your face and let your Father who sees in secret see it. Everyone agrees the passage condemns performance and commends fasting toward God. Everyone also agrees that no season of fasting is commanded here. The disagreement begins after that shared ground, and it is a real one worth stating plainly.
One reading treats Lent as a lawful, voluntary tradition: a set season that helps ordinary people do what Jesus assumes, so long as the discipline stays hidden and pointed at God rather than at an audience. The other reading treats a church calendar of fasting as a human addition that risks the very display Jesus warns against, especially when ashes or abstaining become public markers. Both sides can point to real dangers. What stays central is the motive of the heart. The text itself sets limits: it does not command a season, it does not forbid fasting, and it promises no particular earthly outcome.
Readers also differ over the promise that the Father who sees in secret will reward you. Some read it as a general wisdom principle: God honors devotion aimed at him rather than at people. Others read it as a specific commitment tied to secret devotion, without specifying what the reward is or when it comes. The text does not name the reward, and it does not tie fasting to health, money, or relief. What it does say is that the Father sees what is hidden. Fasting is not a lever that earns favor; grace comes first in Christ, and our response is devotion aimed at the God who sees. Anyone with medical or eating-related concerns should seek appropriate care rather than treat fasting as an obligation.
The passage also keeps the hidden and the seen in careful order. Jesus does not say fasting is wrong because some fast badly. He says the audience matters. A sad face turned toward people has its reward already, while a washed face turned toward the Father waits on him. That distinction is the hinge for the whole Lenten question. A season can be kept quietly or kept for display, and the same is true of skipping it. Neither choice is commanded here. What the text guards is the direction of the heart: toward the God who sees in secret, not toward the people who might notice.
Fasting for the Father who sees in secret
Jesus has just taught his disciples to pray, and he keeps talking about practices that religious people perform. In 6:16 he turns to fasting and describes the hypocrites with sad faces, disfiguring themselves so others will notice. Their problem is not the fast itself but the audience. They have arranged their devotion so that people will see it, and Jesus says plainly that they have received their reward. The practice is real, the attention is real, and the reward is only what onlookers can give. He is not condemning fasting. He is exposing a heart that turns a private act of hunger into public performance.
Then he redirects the whole thing. In 6:17–18 he tells the one who fasts to anoint the head and wash the face, ordinary grooming that hides the strain rather than advertising it. The fast becomes something between a person and the Father who is in secret. Notice where the weight falls: not on the technique but on the audience. Jesus is not offering a formula that guarantees a result. He is naming the Father as the one who sees, and he speaks of reward as something the Father gives, not something the faster extracts. That distinction matters, because it keeps fasting from becoming a transaction.
This is where the passage presses toward the gospel. Jesus speaks as the one who defines life in his kingdom, and he fasted in the wilderness, though this text never mentions it. His teaching here exposes a heart that performs for people, and that exposure leaves every reader needing a righteousness we cannot produce. The good news is not that our religious acts finally become impressive enough. It is that the Father sees in secret and gives in grace, and that even our best devotion needs to be turned from audience back to him. Fasting can be a real discipline, but it is never a payment, and anyone with medical or eating-related concerns should seek proper care rather than carry it as an obligation.
Fasting and the Father who sees in secret
Jesus turns from almsgiving and prayer to fasting, and the shape of his warning is the same. The hypocrites in 6:16 make their faces sad and disfigure them so that others will notice the fast. Their reward is settled: they wanted to be seen, and being seen is all they get. Jesus does not say fasting is wrong. He says "when you fast," assuming his disciples will, and then redirects the practice away from an audience. Anoint your head and wash your face, he says in 6:17, ordinary grooming that leaves no signal. The fast is real; the advertising is gone. What the Father sees in secret is the whole point.
If you observe Lent, the honest question is who the practice is aimed at. A quiet simplification or a kept-secret fast is closer to 6:17–18 than a public announcement of what you have given up. If you do not observe Lent, notice that Jesus still assumes fasting belongs to discipleship. Voluntary fasting can be devotion to the Father rather than duty to a calendar. Either way, watch the small signals: the tone of voice that invites a question, the post that hints at sacrifice. The Father who sees in secret is the audience Jesus names.
Grace comes first here, and it steadies the practice. Fasting does not purchase acceptance; the Father's reward is his to give, not a wage you earn. The text promises that he sees, not that a Lenten observance or abstinence will produce a particular spiritual result. So do not treat fasting as a guarantee of anything, and do not carry it as an obligation that overrides your health. If medical or eating-related concerns are present, seek appropriate care. The call is ordinary and quiet: fast before the Father, keep your face washed, and leave the noticing to him.
Biblical fidelity check
Read Matthew 6:16–18 inside the Sermon on the Mount, where Jesus contrasts hidden devotion with performed devotion. The risk here is turning a passage about motive into a rule about seasons. Jesus says nothing about Lent, and nothing that forbids fasting. He targets the person who makes the face look miserable so others notice the fast. The instruction to anoint the head and wash the face is ordinary grooming, the opposite of staging a display. The reward is left with the Father who sees in secret, and the text never specifies what that reward is.
Evangelical readers agree this passage condemns performative religion and commends fasting toward God, and that Lent is not commanded anywhere in Scripture. They differ on whether Lent is a lawful, voluntary tradition of devotion or a human addition that risks the display Jesus warns against, and traditions observe it differently. They also differ on whether the promised reward is general wisdom about God's favor or a specific commitment tied to secret devotion. What stays central is the motive of the heart and the God who sees what is hidden.
Related studies for Matthew 6:16-18
These verses sit inside the Sermon on the Mount, so reading the surrounding teaching on prayer and treasure repays the effort. Jesus Denounces Hypocrisy in Matthew 23 Consider how Matthew 6:14–15 ties forgiveness to the Lord's Prayer just before this section. Matthew 1: Genealogy and Birth of Jesus Compare the parallel warnings about religious display in Matthew 6:1–8. Matthew 10: Jesus Sends the Twelve with Authority Trace fasting elsewhere in Scripture to see how often it accompanies grief, repentance and urgent prayer. Matthew 12: Lord of the Sabbath and Sign of Jonah.
Frequently asked questions
Does the Bible mention Lent or command it?
This passage never mentions Lent and commands no annual season of fasting. Jesus says "Moreover when you fast, don't be like the hypocrites, with sad faces." He assumes his disciples will fast, yet he leaves the timing and frequency unstated, so Lent is a later church custom rather than a biblical command. What stays central here is fasting for your Father who sees in secret, not for people who notice.
Why did Jesus tell people to wash their face when they fast?
Jesus says to anoint your head and wash your face so that fasting is not obvious to others, only to your Father who sees in secret (6:17–18). In that culture, disfigured faces and sad expressions were a public performance, and Jesus says such people already have their reward. Washing and grooming are ordinary, unremarkable acts that hide the fast from onlookers. The point is not the washing itself but the audience: fast for God, who sees what is hidden, rather than for people who see only the face.
Does Jesus mean my fasting has to be completely secret, so I can never tell anyone I am fasting?
Jesus does not forbid every mention of fasting; he forbids fasting done to be seen by people, and he tells you to anoint your head and wash your face so you are not seen by men to be fasting but by your Father who sees in secret (6:17–18). The warning is against the hypocrites, who disfigure their faces so they may be seen by men to be fasting, and who receive their reward in that notice (6:16). So the issue is your aim, not a rule of total silence: fast toward God, who sees what is hidden, and let his approval be enough. If telling someone would feed the desire to be admired, keep it between you and your Father.
