Teaching on Fasting

Study notes

The instruction on fasting sharpens the distinction between religious practice oriented toward human notice and practice kept open to divine regard. By condemning the deliberate disfigurement that signals abstinence to observers, the text identifies the problem as one of audience and motive rather than the act itself. The positive directives to maintain ordinary appearance redirect visibility exclusively to the Father who sees in the hidden. This arrangement treats the Father’s attentive seeing as the condition under which genuine recompense can occur, closing the account with human observers while leaving the disciple’s obedience exposed to future divine payment. The unit thereby completes the sequence of approved devotion by applying the same logic of hidden intention to another common act of piety.

What is Teaching on Fasting about?

In Matthew 6:16-18 Jesus turns from the subject of prayer to the practice of fasting. The unit opens with a direct command that assumes fasting will occur among his hearers: “Whenever then you fast.” The immediate problem he names is the behavior of those he calls “the sad hypocrites,” who deliberately make their faces look drawn so that others will notice their abstinence. Their reward, Jesus states, is already received in full from human observers.

The contrast that follows is sharp. Instead of disfiguring their appearance, disciples are told to anoint the head and wash the face. The purpose clause in verse 18 makes the point explicit: the goal is to avoid being seen by humans as fasting while remaining visible to “your Father who is in the hidden.” The same Father who sees what is hidden is the one who will give the recompense.

This short instruction sits directly after the teaching on prayer and before the warnings about treasures and anxiety. It completes a sequence of three religious acts—giving, praying, fasting—each governed by the same concern over public display versus hidden motive. The question the passage raises is therefore not whether fasting should be done, but how its intention is to be kept from being redirected toward human approval.

Where does this passage sit in Matthew?

This unit completes the triad of practices introduced at 6:1. The opening warning against performing righteousness before others to be seen by them governs giving, prayer, and now fasting in sequence. Each subunit follows the same movement from negative example to positive command and ends with the identical assurance that the Father who sees in the hidden will pay. The fasting paragraph therefore functions as the final panel in a single composition rather than an independent topic.

Its placement immediately after the Lord’s Prayer creates a deliberate narrowing. The extended treatment of prayer in 6:5-15 gives way to a shorter, more compressed instruction that still employs the same vocabulary of appearance, wage, and hidden seeing. This compression signals that the principle already articulated for almsgiving and prayer now applies without further elaboration to another common act of devotion.

The transition to 6:19 is equally pointed. After three units that locate reward with the Father rather than with human observers, the next sentence shifts attention to the location of treasure itself. The repeated contrast between what is seen by humans and what remains hidden prepares the reader for the subsequent claim that earthly accumulation and heavenly security are mutually exclusive. Within the larger Sermon, the fasting paragraph therefore serves as the hinge between the section on approved religious practice and the section on undivided allegiance to God.

How is the passage structured?

The unit begins with a conditional clause that treats fasting as an expected practice rather than an optional one. From that starting point the sentence moves at once into prohibition, naming the sad hypocrites and specifying the single action they perform: they destroy their faces. The purpose attached to that action is stated plainly—to appear to humans as fasting—before the amen formula brings the first movement to a close by declaring that their wage has already been received in full.

A sharp turn occurs with the adversative that opens the next sentence. The same verb “fasting” is retained, yet the audience is now addressed directly with a pair of positive instructions that stand in immediate contrast to the earlier disfigurement. These two commands receive no further explanation at the moment they are given. Instead the text advances into a purpose clause that stretches across the remainder of the unit. That clause first repeats the negative aim already introduced, now cast as the avoidance of human notice, then supplies its counterpart: visibility is redirected toward the Father who is in the hidden.

The final clause completes the architecture by naming the Father’s twofold response. He both sees what occurs in the hidden and will pay. The structure therefore moves from assumption through negative example and prohibition, through a brief positive redirection, into a purpose that resolves in the Father’s action. No additional speech or scene interrupts the sequence; the entire unit is carried by the single sustained contrast between human observation and the Father’s recompense.

What is the historical background?

Fasting in first-century Jewish practice was a recognized form of devotion, often tied to repentance, mourning, or petition before God. It could be individual or communal, and the Torah prescribed it on specific occasions such as the Day of Atonement. Outside those fixed days, voluntary fasting remained a matter of personal or group choice. The passage assumes such voluntary fasting will continue among Jesus’ hearers.

Public recognition of fasting sometimes involved visible signs of self-denial. The phrase “destroy their faces” points to deliberate alteration of appearance—leaving the face unwashed, neglecting hair, or adopting a drawn expression—so that observers would register the abstinence. In a culture where daily grooming with oil and water signaled ordinary social participation, the absence of these acts functioned as a legible signal. The text states that those who adopt this signal receive their “wage in full” from human observers, indicating that the social acknowledgment itself counted as the expected return.

The counter-instruction to anoint the head and wash the face aligns with standard first-century grooming. Olive oil applied to the head was part of routine care and hospitality; washing the face removed the outward marks of distress. By retaining these ordinary acts, a person fasting could avoid the conventional markers that would identify the practice to others.

The repeated reference to the Father “who is in the hidden” and “who sees in the hidden” draws on a longstanding Jewish emphasis that God observes conduct concealed from human view. This language does not require a developed doctrine of divine omniscience; it simply contrasts visibility to people with visibility to God. No major textual variants affect the wording of these verses in the earliest manuscripts, so the contrast between human and divine perception stands as transmitted.

What does this passage teach about God?

The unit presents God as the Father who sees what remains concealed from every human observer. The repeated designation “your Father who is in the hidden” and “your Father who sees in the hidden” locates divine attention precisely where the sad hypocrites have directed their efforts away from view. Their practice of destroying their faces is not condemned because it is visible, but because its entire aim is to secure recognition from humans; once that recognition arrives, the transaction is finished and no further recompense remains. By contrast, the Father’s seeing is not incidental but constitutive of the disciple’s action. The command to anoint the head and wash the face does not erase the reality of fasting; it removes the visible marker that would allow others to register the act. What remains is an act performed before the one who already perceives it.

This arrangement redefines the economy of reward. The hypocrites receive their wage in full from the only audience they have sought, closing the account. The Father’s payment is promised without any corresponding human acknowledgment, leaving the disciple’s obedience open toward a future act of divine giving. The passage therefore treats human beings as capable of directing their religious practice either toward immediate social return or toward the Father’s unseen regard. Discipleship consists in choosing the latter orientation, not by withdrawing from fasting but by altering its public form so that the Father alone stands as the one who both sees and repays.

The text offers no further description of the Father’s character beyond this attentive and remunerative presence. It likewise withholds any explicit statement about the content of the payment, focusing instead on the fact that the Father who sees will act. The theological claim is therefore modest yet precise: authentic fasting is constituted by its alignment with the Father’s hidden knowledge rather than by any measurable human response.

What are the interpretive difficulties?

One question the wording raises is how literally the command to anoint the head and wash the face should be taken. The instruction stands in direct contrast to the hypocrites who “destroy their faces,” yet nothing in the unit indicates whether disciples must perform these grooming acts every time they fast or whether the language simply requires ordinary appearance rather than deliberate disfigurement. The text itself offers no further clarification, leaving the precise ritual gesture open.

A second issue concerns the scope of secrecy. The repeated phrase “your Father who is in the hidden” and “your Father who sees in the hidden” stresses that the Father’s attention reaches what humans cannot observe. The passage does not, however, settle whether all fasting must therefore occur in total isolation from other believers. It only rules out the motive of being “seen by humans as fasting.” Communal or public fasting that avoids self-display remains compatible with the wording, though the unit supplies no example that would confirm or exclude such practice.

The language of wage and payment also invites reflection on motive. The hypocrites “have their wage in full” from human observers, while the disciple is promised payment from the Father. The text does not define the content of that payment, nor does it address whether the promise functions as an incentive that could itself become a new form of external reward-seeking. The silence on these points keeps the focus on the single contrast between human and divine notice.

Finally, the unit assumes fasting will continue among Jesus’ hearers yet offers no guidance on frequency, duration, or occasions. Later passages in the Gospel will raise related questions about fasting in the time after John’s disciples and the Pharisees, but within these three verses the matter is left untouched. The instruction therefore regulates the manner of fasting without prescribing its schedule or settling larger questions of its ongoing place in discipleship.

Notes accompany the Anselm Project Bible, an AI translation from the original languages. Tap any verse above for the committee's word-level decisions.