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Catholic Commentary
The Disgrace of Lying
24A lie is an ugly blot on a person. It will be continually in the mouth of the ignorant.25A thief is better than a man who is continually lying, but they both will inherit destruction.26The destination of a liar is dishonor. His shame is with him continually.
Sirach 20:24–26 condemns habitual lying as a disfiguring moral defect that marks the ignorant person and inevitably leads to destruction and dishonor. The passage teaches that a liar causes greater harm than a thief because falsehood corrupts the human capacity for perceiving reality and erodes community, while shame becomes the liar's inseparable, permanent companion.
The lie doesn't just damage your reputation — it deforms you, marking your character with a permanent stain that becomes increasingly visible to everyone around you.
Typological and Spiritual Senses Typologically, the figure of the liar in wisdom literature foreshadows the portrait of Satan as the "father of lies" (John 8:44) — one whose nature has become identical with falsehood, for whom the blot has consumed the whole. The righteous person who speaks truth, conversely, prefigures Christ, who is not merely truthful but is Truth itself (John 14:6). Spiritually, the anagogical sense points toward the eschatological reality: the Book of Revelation twice names liars among those excluded from the heavenly Jerusalem (Rev 21:8, 22:15), confirming Ben Sira's intuition that the "destination" of the liar is, in the ultimate register, destruction.
Catholic tradition uniquely illuminates this passage by situating it within its comprehensive theology of truth as a participation in God's own being. The Catechism of the Catholic Church teaches that "God is Truth itself, whose words cannot deceive" (CCC 215) and that lying is "the most direct offense against the truth" because it "injures the virtues of justice and charity" (CCC 2484). But the Catechism goes further than a simple moral prohibition, echoing Ben Sira's anthropological intuition: "The gravity of a lie is measured against the nature of the truth it deforms" (CCC 2484). The lie is not merely a rule broken but a nature deformed.
St. Augustine, in De Mendacio and Contra Mendacium, provided the patristic foundation for this view, arguing that every lie — even a "helpful" one — is intrinsically disordered because it places the will in opposition to the intellect and to the God whose Logos underlies creation. Augustine's insistence is precisely Ben Sira's: the liar doesn't just do evil, he becomes a kind of walking contradiction, a blot.
St. Thomas Aquinas, drawing on this tradition, classified lying as intrinsically evil (ST II-II, q. 110, a. 3), a sin against truth as a moral virtue (veracitas) — the virtue by which a person presents themselves and the world accurately. For Aquinas, veracitas is a part of justice, which helps explain Ben Sira's comparison of the thief and the liar: both sin against justice, but the liar sins against its more fundamental dimension.
Pope Francis, in Amoris Laetitia §105, warns that a culture of superficiality and self-presentation that obscures truth corrodes the intimacy that genuine human community requires — a pastoral echo of Ben Sira's social diagnosis. The shame the liar carries "continually" is, in Catholic anthropology, the voice of synderesis — the inextinguishable spark of conscience — refusing to be silenced.
Contemporary Catholic life offers no shortage of pressures to lie: the soft lie to avoid conflict, the curated social-media self, the professional evasion, the theological minimalism that tells people only what they want to hear. Ben Sira's image of the "ugly blot" speaks directly to the modern intuition — recognized in therapy, in relational breakdown, in institutional scandal — that sustained dishonesty does not simply damage reputation but damages the self. The person who lies habitually loses access to their own truth.
For the Catholic today, these verses are an invitation to the particular ascetical practice of truthfulness — not brutal candor, but the disciplined commitment to align speech with reality. Confession itself is the premier school of this virtue: the penitent is formed, week by week, to name reality accurately before God, resisting both scrupulosity's exaggerations and pride's minimizations. Ben Sira's warning that shame "is with him continually" also speaks to the phenomenon of shame-bound living, suggesting a spiritual remedy: only the person who has stopped lying — first to God, then to themselves, then to others — begins to shed the shame that dishonesty manufactures and sustains.
Commentary
Verse 24 — "A lie is an ugly blot on a person." The Hebrew behind the Greek spilos ("blot" or "stain") conjures the image of a disfiguring mark on otherwise clean cloth or skin — something immediately visible and repellent to those who see it. Ben Sira is not speaking abstractly about dishonesty as a social problem; he is making an anthropological claim: the lie deforms the liar. The person who lies is not merely doing something wrong; he is becoming something wrong. The second half of the verse sharpens this: lying is "continually in the mouth of the ignorant." The word "ignorant" (aphron in Greek, often rendered "fool" in wisdom literature) does not mean the intellectually underdeveloped but the morally blind — one who lacks the phronesis, the practical wisdom, to see that the created order is oriented toward truth. Lying is thus presented as a symptom of a deeper spiritual ignorance, a failure to perceive reality as God made it.
Verse 25 — "A thief is better than a man who is continually lying." This is among the most arresting comparisons in all of the deuterocanonical wisdom books. Ben Sira does not excuse theft; he immediately qualifies that both the thief and the habitual liar "will inherit destruction." But the comparison does real moral work. The thief, however wrongly, transgresses against a person's property; the liar transgresses against a person's mind — against their capacity to perceive reality accurately. The thief takes goods; the liar corrupts the very medium through which human beings relate to one another and to God. In Scholastic terms, the thief sins against justice (the ius of another), while the liar sins against truth itself as a transcendental property of being. Furthermore, the liar damages the common good in a way the thief cannot: a community can recover from theft, but a community habituated to lying erodes from within. The phrase "inherit destruction" (kléronomésousin) is telling — inheritance language in the wisdom tradition evokes one's ultimate portion, the destination one has prepared for oneself. Both the thief and the liar are building toward ruin.
Verse 26 — "The destination of a liar is dishonor. His shame is with him continually." The word "destination" (diexodos, literally "way out" or "end of a journey") frames the liar's life as a pilgrimage — but one moving inexorably toward disgrace. Where the righteous person's path leads to life and honor (Sir 1:11–13), the liar's path curves back upon himself in shame. The final phrase, "his shame is with him continually," returns to the persistent, internal, unrelenting quality of the liar's condition. The shame is not occasional punishment from outside but an interior companion, a permanent feature of the character the liar has constructed. This is the wisdom tradition's way of saying that moral disorder is not merely punished — it punishment.