Skip to content

Buddhism (Theravāda) · Source book

Impurity

Dhammapada Chapter XVIII — Impurity (vv. 235–255)

N=1 fine-grained distillation. Source: Müller, SBE X (1881), Gutenberg #2017. Quote anchors are working text pending Phase 7 char-for-char verification. Methodology & tags: ../00-methodology.md.

Chapter role

The Mala-vagga ("taints") opens with mortality-urgency — death is near, prepare provision — and uses the smith-refining-silver image to frame self-purification. It catalogues "taints" of various roles, names ignorance as the worst taint, lists the cardinal misdeeds (the five precepts in negative), and closes with the discipline of watching one's own faults rather than others'.

Atomic statements

Ch18-C1: Death is near; you have no provision for the journey. (EXHORTATION / IMPERMANENCE)

  • Dhp 235, 237: "Thou art now like a sear leaf, the messengers of death (Yama) have come near to thee; thou standest at the door of thy departure, and thou hast no provision for thy journey." / "Thy life has come to an end, thou art come near to death (Yama)…"
  • Stance: assert · Importance: core

Ch18-C2: Make yourself an island, work hard, be wise; purified, you escape rebirth and decay. (FOUNDATIONAL / DISCIPLINE+LIBERATION)

  • Dhp 236, 238: "Make thyself an island, work hard, be wise! When thy impurities are blown away… thou wilt enter into the heavenly world of the elect (Ariya)." / "…thou wilt not enter again into birth and decay."
  • Stance: assert · Importance: core · Depends on: Ch18-C1

Ch18-C3: Purify the self gradually, as a smith refines silver. (OPERATIONAL / DISCIPLINE)

  • Dhp 239: "Let a wise man blow off the impurities of his self, as a smith blows off the impurities of silver one by one, little by little, and from time to time."
  • Stance: assert · Importance: core

Ch18-C4: One's own evil works, like rust born of iron, lead one to the evil path. (FOUNDATIONAL / KARMA)

  • Dhp 240: "As the impurity which springs from the iron, when it springs from it, destroys it; thus do a transgressor's own works lead him to the evil path."
  • Stance: assert · Importance: core

Ch18-C5: Each role has its characteristic taint — neglect, non-repair, sloth, thoughtlessness, bad conduct, greed. (OPERATIONAL / ETHICS)

  • Dhp 241–242: "The taint of prayers is non-repetition; the taint of houses, non-repair; the taint of the body is sloth; the taint of a watchman, thoughtlessness." / "Bad conduct is the taint of woman, greediness the taint of a benefactor; tainted are all evil ways in this world and in the next."
  • Stance: assert · Importance: supporting

Ch18-C6: Ignorance (avijjā) is the worst taint of all; throw it off. (FOUNDATIONAL / TRUTH)

  • Dhp 243: "But there is a taint worse than all taints,—ignorance is the greatest taint. O mendicants! throw off that taint, and become taintless!"
  • Stance: assert · Importance: core

Ch18-C7: The shameless live easily, the modest with difficulty; yet the modest life is the worthy one. (EXHORTATION / ETHICS)

  • Dhp 244–245: "Life is easy to live for a man who is without shame… But life is hard to live for a modest man, who always looks for what is pure, who is disinterested, quiet, spotless, and intelligent."
  • Stance: assert · Importance: supporting

Ch18-C8: Killing, lying, theft, adultery, and intoxication dig up one's own root in this very world. (FOUNDATIONAL / ETHICS+KARMA)

  • Dhp 246–248: "He who destroys life, who speaks untruth… takes what is not given… goes to another man's wife; / And the man who gives himself to drinking intoxicating liquors, he, even in this world, digs up his own root. / …take care that greediness and vice do not bring thee to grief…"
  • Stance: assert · Importance: core · Note: catalogs the five precepts (pañca-sīla) in the negative.

Ch18-C9: Envy of what others receive denies one rest; its destruction gives rest. (OPERATIONAL / CRAVING+MIND)

  • Dhp 249–250: "…if a man frets about the food and the drink given to others, he will find no rest either by day or by night. / He in whom that feeling is destroyed, and taken out with the very root, finds rest by day and by night."
  • Stance: assert · Importance: supporting

Ch18-C10: Nothing is so destructive as passion, hatred, folly, and greed. (FOUNDATIONAL / CRAVING+ETHICS)

  • Dhp 251: "There is no fire like passion, there is no shark like hatred, there is no snare like folly, there is no torrent like greed."
  • Stance: assert · Importance: core

Ch18-C11: We perceive others' faults easily and hide our own; fault-finding only grows our own passions. (OPERATIONAL / MIND)

  • Dhp 252–253: "The fault of others is easily perceived, but that of oneself is difficult to perceive… / If a man looks after the faults of others, and is always inclined to be offended, his own passions will grow…"
  • Stance: assert · Importance: core

Step 4 — Clusters

Cluster Atomic statements Intent
Mortality urgency C1, C2 Death is near; purify and prepare now
Self-purification C3, C4 Refine the self gradually; own deeds defile or save
Catalogue of taints C5, C6 Each role has its taint; ignorance is worst
Precepts & defilements C7, C8, C10 Modesty over ease; avoid the cardinal misdeeds and the great fires
Watch your own fault C9, C11 Envy and fault-finding grow passion; guard the self

(Verses 254–255 — "no path through the air… the awakened are never shaken; no creatures are eternal" — affirm impermanence and that mere outward acts do not make a Samana; captured under C1/C10 themes and the chapter's anicca framing.)

Step 5 — Internal tensions

None genuine. Dhp 236 ("enter the heavenly world of the elect / Ariya") and Dhp 238 ("not enter again into birth and decay") name a graded path (favorable rebirth vs. release from rebirth), not a contradiction.

Step 6 — Synthesized chapter principles

Ch18-P1: Death is near — purify now

Life is a sear leaf at death's door with no provision laid by; make yourself an island, work hard, and be wise before it is too late.

  • Tier: EXHORTATION · Domain: IMPERMANENCE+DISCIPLINE · Covers: C1, C2 · Evidence: Dhp 235–238 · Untranslatable: anicca (impermanence) underlies the urgency.

Ch18-P2: Purify the self gradually; your own deeds defile or refine you

As a smith refines silver little by little, so a wise person removes impurities over time; one's own evil works, like rust from iron, lead to the evil path.

  • Tier: FOUNDATIONAL · Domain: DISCIPLINE+KARMA · Covers: C3, C4 · Evidence: Dhp 239–240

Ch18-P3: Ignorance is the worst taint

Every role has its characteristic taint, but ignorance is the greatest of all; cast it off to become taintless.

  • Tier: FOUNDATIONAL · Domain: TRUTH · Covers: C5, C6 · Evidence: Dhp 241–243 · Untranslatable: avijjā (ignorance), rendered "ignorance."

Ch18-P4: Avoid the cardinal misdeeds and the great defilements

Killing, lying, theft, adultery, and intoxication uproot one's own life now; passion, hatred, folly, and greed are the most destructive forces. The modest, pure life is harder but worthy.

  • Tier: FOUNDATIONAL · Domain: ETHICS+CRAVING · Covers: C7, C8, C10 · Evidence: Dhp 244–248, 251 · Untranslatable: pañca-sīla (the five precepts) underlies Dhp 246–247.

Ch18-P5: Watch your own faults, not others'

Others' faults are easily seen and one's own easily hidden; envy denies rest, and fault-finding only grows one's own passions — turn the gaze inward.

  • Tier: OPERATIONAL · Domain: MIND · Covers: C9, C11 · Evidence: Dhp 249–250, 252–253

Step 7 — Traceability

Principle Atomic statements Verses
Ch18-P1 C1, C2 Dhp 235–238
Ch18-P2 C3, C4 Dhp 239–240
Ch18-P3 C5, C6 Dhp 241–243
Ch18-P4 C7, C8, C10 Dhp 244–248, 251
Ch18-P5 C9, C11 Dhp 249–250, 252–253

Step 8 — Quality

  • Coverage: 21/21 verses captured by ≥1 atomic statement (vv.254–255 captured under the anicca/outward-acts framing; 100%).
  • Orphaned: 0%.
  • Principles: 5 (within the 3–12 range).
  • Traceability: 100%.

Step 9 — Validation

  • Standalone comprehension (frame-independent): Ch18-P2 (gradual self-purification; deeds defile or refine), P3 (ignorance is the worst fault), P4 (the cardinal misdeeds; passion/hatred/folly/greed are destructive), and P5 (watch your own faults) read as intelligible ethical/psychological claims without presupposing Buddhist metaphysics. Ch18-P1 carries frame-specific warrant: the urgency rests on death without "provision for the journey" and on "not entering again into birth and decay" (rebirth) — flagged for the Atlas as a case where the claim (mortality should spur ethical seriousness) may converge cross-tradition while the warrant (saṃsāra/rebirth, Yama) diverges. P3's "ignorance" (avijjā) names not mere lack of information but mis-knowing of impermanence/non-self — note the warrant divergence for the Atlas.