Proverbs 17:20

Proverbs 17:20, in plain English

Someone with a twisted, perverted heart never finds genuine good in life, and someone who uses deception in his speech will eventually trip himself up. Both are describing self-inflicted spiritual ruin.

Why it's here

This verse closes the chapter by showing the internal corruption that produces external consequences. A person with a perverse heart doesn't need God to punish them—they've already disconnected themselves from anything good. A liar eventually can't keep his stories straight and destroys his own credibility.

Who's speaking

Solomon, describing the self-defeating nature of certain kinds of sin.

Where it sits in the story

This echoes the broader biblical pattern: sin doesn't just offend God; it damages you. Paul taught that we reap what we sow. Jesus taught that what comes out of your mouth reveals what's in your heart. This verse captures that same wisdom—you can't harbor corruption without it poisoning your life.

The scholarly reading

A person with a fundamentally corrupted heart cannot recognize or achieve genuine good; a deceitful tongue inevitably brings its speaker into trouble and ruin.

Language and setting

The phrase 'perverse heart' (Hebrew iqesh leb, literally 'twisted/crooked heart') diagnoses a character condition rather than a mere choice—the person's entire moral orientation is inverted, causing him to misidentify good and pursue what is actually destructive. The parallel clause about the deceitful tongue (leshon mirma'h) emphasizes that this inner corruption inevitably manifests in deceptive speech, which in turn generates its own catastrophic consequences.

Voice

The wisdom tradition articulating the doctrine of character formation: inner corruption produces both the inability to perceive true good and the generation of circumstances that destroy the corrupted person.

Significance

This verse concludes Proverbs 17 by returning to the fundamental concern with interiority and the connection between heart-condition and outcomes that runs throughout wisdom literature, while foreshadowing Jesus's teaching that 'out of the abundance of the heart the mouth speaks' (Matthew 12:34) and the Pauline principle that believers are being 'transformed by the renewing of your mind' (Romans 12:2).

18A man lacking judgment strikes hands in pledge and puts up security for his neighbor.

19He who loves transgression loves strife; he who builds his gate high invites destruction.

20The one with a perverse heart finds no good, and he whose tongue is deceitful falls into trouble.

21A man fathers a fool to his own grief; the father of a fool has no joy.

22A joyful heart is good medicine, but a broken spirit dries up the bones.

Read all of Proverbs 17 — Better a dry morsel with quiet than a house full of feasting with strife. Sometimes less of everything is more of what matters.