An evil TREE brings forth ill fruit

Meaning & Analysis

A bad tree produces bad fruit; the quality of the source determines the quality of its outcomes.

Insights

Character reveals itself

The ‘tree’ stands for a person’s inner character; ‘fruit’ for deeds. Corrupt dispositions naturally yield harmful actions, making behavior a window into the heart.

Teachers and doctrines

Applied to leaders or creeds, the image warns that unsound teaching produces damaging lives and communities; doctrine is tested by the kind of people it forms.

Institutions and culture

Organizations are trees whose policies and incentives are roots; scandals, exploitation, or integrity are the fruit. Culture, not slogans, predicts results.

Habits and consequences

Repeated choices lay down grooves like roots; over time they bear predictable outcomes—vice ripens into harm, virtue into benefit.

Discernment of appearances

Shiny leaves can hide rot. The proverb arms us to judge not by promises or branding but by the steady harvest of effects.

Biblical matrix

Echoing Luke 6:43 and Matthew 7:16–20 (“By their fruits ye shall know them”), the saying offers a diagnostic ethic: evaluate prophets and persons by outcomes rather than claims.

Virtue ethics

Aristotle’s view that stable dispositions (hexeis) generate actions fits the image: character is causal, not incidental; fruit is the visible necessity of invisible habit.

Legal and cultural afterlife

The modern doctrine of “fruits of the poisonous tree” in law captures the same logic: tainted origins corrupt results—an institutionalized proverb about causation and contamination.

Pastoral realism

Horticulture teaches that trees produce after their kind; yet pruning and grafting can change outcomes. Likewise repentance, reform, and new disciplines can alter the ‘stock’ over time.

Anti-hypocrisy tool

Because branding and rhetoric are cheap, the proverb resists hypocrisy: if the harvest harms the vulnerable, the root is not good, whatever the pious language.

Systems caution

While stressing inner cause, the metaphor also invites attention to soil and climate—conditions that help vice or virtue flourish—so diagnosis should include environments, not only essences.

Psychological mechanism

Confirmation bias may excuse bad fruit as ‘exceptions.’ The maxim counsels longitudinal judgment: patterns, not anecdotes, reveal the tree.

Rhetorical Devices

Metaphor

Tree/root versus fruit translates hidden moral causes into tangible agricultural effects, making the lesson concrete and memorable.

Antithesis

Good/evil tree and good/ill fruit are opposed in biblical framing, sharpening moral clarity through stark contrast.

Biblical parallelism

The proverb inherits the concise, balanced cadence of wisdom literature, lending aphoristic authority.

Synecdoche

‘Fruit’ stands for deeds and consequences; ‘tree’ for the whole self (or institution), compressing complex moral economies into simple images.

Gnomic present

Cast as a timeless rule, the assertion reads as general law rather than situational advice, aiding recall and assent.

characterconsequencesdiscernmentethicshypocrisyaccountability
Analyzed with gpt-5.0-thinking on November 14, 2025

Transcription

Quotations

A corrupte tree bryngethe forthe evyll frute.

1526, TYNDALE, New Test., Matt. 7, f. 6v

Can an euell tre bryng forth good frute?

1537, W. TURNER, Old Learn. and New, s. B4

An euyll tre (sayeth Christ) can bryng forth no good frute.

1539, TAV., f. 18v
1616, DR., s.v. Beginning, no. 131

Bible Citations

For a good tree bringeth not forth corrupt fruit; neither doth a corrupt tree bring forth good fruit.

— The Bible, Luke vi:43

Cross References

Original Scan

An evil TREE brings forth ill fruit - a scanned entry from Tilley's 1950 Dictionary of Proverbs.
Scan courtesy of HathiTrust Digital Library.
Used under CC BY-NC 3.0.

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Last updated: January 27, 2026