How Can I Make a Promise Without Pretending to Control Tomorrow?

The other person begins to depend on us

You offer to help a neighbor prepare a room for visitors. She thanks you and tells another willing person that the job is covered. Your words have already changed her choices, although you have not lifted a chair. A promise reaches beyond the moment in which it sounds generous. It gives someone a reason to arrange part of life around what we have undertaken.

Jesus says, “But let your communication be, Yea, yea; Nay, nay” (Matthew 5:37). This belongs within the Sermon on the Mount, where he teaches his disciples about anger, reconciliation, desire and love. Truthful speech is part of a whole life before the Father. Carla Works draws attention to the community formed by these dependable commitments. ^{1, 2}

James places his warning about oaths among instructions about patience, endurance and life together. D. Edmond Hiebert observes how religious language can become a way of serving ourselves. An impressive assurance can conceal a weak commitment. Invoking God more loudly does not make a careless offer more faithful. ³

Christians have differed over the extent of the oath prohibition. Chrysostom understands Jesus to forbid the oath itself; Augustine permits certain uses, appealing to Paul’s language. The Mennonite confession follows the refusal of oaths, while Sam Storms argues that the condemned practice is evasive swearing rather than every oath. Their disagreement deserves honest acknowledgment. All these readings give ordinary truthfulness serious weight. ^{4, 5, 6, 7}

For everyday promises, we need not settle that disagreement before obeying the clear demand. Do not create one class of speech that supposedly counts and another that can be discarded. Our plain words should carry our intention to act faithfully. Religious emphasis cannot turn uncertain capacity into a divine guarantee. ¹

Say what you are undertaking

Hanoch Sheinman distinguishes promising from predicting, announcing an intention or making a request. A prediction describes what we expect; a promise takes on a responsibility. Saying that the hall will probably be ready is different from undertaking to prepare it. The person listening needs to know which we mean. ⁸

Alida Liberman’s account similarly distinguishes a promise from an intention that remains open to ordinary reconsideration. If a more attractive invitation is enough to make us drop the task, we have not treated the promise with the seriousness its recipient was offered. A commitment should enter our later decisions, including decisions about competing opportunities. ¹²

David Owens argues that promising changes the responsibilities between people, rather than simply reporting what the speaker intends. This helps expose a familiar evasion: saying afterward that we did not really feel committed. Our private reluctance does not automatically remove what we deliberately led another person to understand we had undertaken. ¹⁹

Katherine Hawley distinguishes trust from mere reliance on something regular. We can rely on a familiar event without thinking it has betrayed us if it fails to happen. Trusting a person has a different significance. When a neighbor feels let down, the concern may reach beyond the unfinished task to the relationship our assurance invited. ¹¹

Nor does everything depend on uttering the exact word promise. Seana Shiffrin examines the meaningful commitments woven into ordinary relationships. Repeatedly assuring someone that we will take responsibility, then escaping through “I never said I promise,” treats language as a trap. Attend to the undertaking we communicated, including the context in which we spoke. ¹⁰

Berislav Marušić describes trust as a response to a person’s commitment, with the possibility of gratitude or betrayal. That helps explain why replacing an unkept promise with an equivalent favor may leave something unsettled. The other person wanted to be able to take our word seriously. We should care about that personal confidence as well as the completed job. ³⁵

Let the recipient understand and respond

Abraham Sesshu Roth distinguishes wanting a promised benefit from accepting the undertaking. An offer is still an offer to another person. Before announcing that we will reorganize a neighbor’s belongings, for example, ask whether that is wanted. Generosity does not give us permission to decide what help somebody must receive. ¹³

Eliot Michaelson’s discussion of promises stresses addressing someone who can respond, rather than merely producing an impression. An offer designed to make us sound helpful, while we hope nobody takes it up, avoids that personal encounter. Give the listener a fair opportunity to understand, accept, decline or clarify what we are offering. ¹⁵

Hallie Liberto raises a different problem: the person to whom we speak may understand the promise only later. Her imagined parent and child show why immediate adult understanding cannot settle every question of accountability. Speak simply to children, check what they understood, and take remembered assurances seriously. Their smaller vocabulary does not make our words weightless. ¹⁴

Experiments also show that the way a promise is communicated can matter. Gary Charness and Martin Dufwenberg found that freely written messages containing promises or intentions supported cooperation in a student game. Their later experiment with preprinted promise words produced a substantially weaker effect. Repeating a formula and establishing a shared understanding are different activities. ^{31, 32}

Steven Schwartz and colleagues varied whether promise messages reached the other player in another student allocation experiment. Delivery affected the behavior they observed. In ordinary life, we can ask a simpler practical question: has the person actually received the assurance or condition on which we are relying? A message sent is not always an arrangement understood. ³⁴

Giovanni Di Bartolomeo and colleagues found that mutually exchanged promises were followed more often than unrequited promises in their allocation game. The Christian reason to keep our word does not depend on getting something back. Still, an actual conversation can reveal whether both people are agreeing to the same task, conditions and responsibilities. ³³

Make a promise you can responsibly attempt

Jason D’Cruz and Justin Kalef defend the possibility of promising to try. Effort may be ours to give while success depends on obstacles we cannot remove. Undertake to contact three possible helpers, for example, rather than promising that one will certainly agree. Yet “I will try” can also disguise unwillingness to decide. If we have no intention of contacting anyone, a clear refusal would leave the neighbor better able to arrange help. Specify a serious effort we intend to make. ¹⁶

Anna Brinkerhoff argues that promising invites another person to make decisions around our words. Sincere enthusiasm therefore needs responsible attention to the evidence. Her philosophical examples also distinguish a changed situation from repeatedly unreliable feelings that this time will be different. Before promising again, identify what now makes following through reasonable. ¹⁷

Alison Hills argues that trustworthiness requires responsible competence and judgment. Agreeing to a task involves more than willingness. We may need information, permission, materials or another person’s cooperation. Check those conditions before accepting responsibility; if the task develops unexpectedly, attend to its purpose instead of mechanically repeating an instruction that no longer serves it. ²³

Crescente Molina distinguishes a promise from a mutually understood commitment that either party may end. Whatever terminology people use, the practical question deserves an answer. Are you undertaking this one task, agreeing to serve for a month, or offering help that must be renewed each week? State the limit while the other person can still choose an alternative. ²⁴

Dan Lawson applies the Sermon on the Mount to leadership speech, including exaggeration and careless promises. Those who organize a team should be especially clear about whose agreement they possess. We cannot honestly promise another volunteer’s work because we assume that a faithful person will feel unable to refuse. Ask before committing somebody else. ²⁸

Cost matters, and goodness matters

Psalm 15 describes the person who “speaketh the truth in his heart” and “sweareth to his own hurt, and changeth not” (Psalm 15:2, 4). Joel LeMon reads its portrait as a summons to examine our own treatment of neighbors. A good undertaking does not disappear merely because carrying it out becomes less convenient than we expected. ^{1, 26}

The Westminster Confession holds together two useful concerns: words should be understood plainly, without secret reservations, and nobody should pledge to do what is sinful. Fidelity therefore requires more than stubbornness. Agreeing to help conceal a lie or mistreat a colleague cannot make those actions good. We need truthfulness about both the promise and its content. ²²

Shiffrin argues that promising an intrinsically wrongful act cannot manufacture a moral reason to perform it. In her account, the initial attempt misrepresents what the speaker may rightly undertake. Applied to Christian conduct, repentance begins by admitting the wrong promise. Keeping it would deepen the wrong rather than honor God. ²¹

Kida Lin’s philosophical discussion presses the question further: promising cannot automatically justify a choice that was already morally questionable. Consider the effects on people outside the agreement. Two friends may warmly agree to humiliate someone else. Their mutual satisfaction does not settle whether the undertaking deserves to be made or fulfilled. ¹⁸

Niko Kolodny and R. Jay Wallace connect the duty to the particular recipient with the shared practice that allows people to give assurance. Our reliability helps preserve something neighbors use together. When an ordinary promise is repeatedly treated as disposable, the next person asking for help must spend more effort discovering what anyone’s answer means. ⁹

Lewis Smedes also sees promise making as a way of sustaining shared life across changing feelings. It can make worthwhile freedom possible: people can begin projects together because they do not have to start every morning from nothing. The beauty of fidelity is the good it protects, including friendship, cooperation and the confidence to receive help. ³⁶

When circumstances change, attend to the person

Changed plans require judgment. In 2 Corinthians 1 and 2, Paul explains why he did not make a proposed visit. Florian Wilk emphasizes his concern for the Corinthians’ joy and the pain another visit might bring. Paul’s answer reaches the people affected; he neither treats his intention as immutable nor dismisses their concern as irrelevant. ^{1, 25}

Owens’s discussion of conflicting obligations shows why choosing the more pressing responsibility does not simply erase the person disappointed. An urgent need may rightly change what we should do. We can still acknowledge what the original recipient expected, explain the change and help them find another arrangement where possible. A good reason deserves to be communicated with care. ²⁰

Christine Pohl places promise keeping within practices sustained by grace. She also recognizes changed circumstances and the possibility of releasing another person. Ask for that release honestly when it is needed. Do not announce an indefinite new condition after the other person has already depended on the original one, or pressure them to pretend the change has cost nothing. ²⁷

In Maurice Schweitzer and colleagues’ staged trust experiment, promises could help early recovery, but consistent conduct remained important. Prior deception also hindered recovery during the study. After breaking an assurance, another larger assurance is a poor place to put all our hope. Begin with truthful explanation and actions we can actually carry through. ³⁰

Ayelet Gneezy and Nicholas Epley found that breaking a promise was judged more negatively than keeping it in a student puzzle experiment; exceeding it did not bring an equivalent gain in appreciation. Dependable fulfillment deserves attention before dramatic extras. More help may be welcome, but it should not be offered as a demand for applause or as payment for forgetting an earlier failure. ²⁹

Arjun Sengupta and Christoph Vanberg studied what players gave up by trusting a promise. In their student game, shared information about that foregone alternative affected promise keeping. For us, the neighbor’s lost alternative deserves attention from the start. Ask what they may stop arranging because they believe our answer, and give an honest update while they still have choices. ³⁷

The Spirit forms faithful speech

Pentecostal confidence in the Holy Spirit gives us reason to seek change in this ordinary part of life. Galatians 5 joins Christian liberty with serving one another in love, and the fruit of the Spirit with walking in the Spirit. We can ask for his help to resist the desire to sound impressive, accept a modest responsibility and carry it through. ¹

James’s “let your yea be yea; and your nay, nay” comes within a chapter that calls a suffering community to patience and prayer (James 5:12). Faithful speech can be calm and plain. It tells the neighbor what we are undertaking, takes their reliance seriously, and keeps attending to them when the circumstances become difficult. Such speech gives everyday love something dependable to work with. ¹