Meaning & Analysis
People tend to say aloud what they truly feel or believe; inner thoughts naturally spill into speech.
Insights
Inner–Outer Concord
The saying imagines a direct conduit from feeling to utterance, valorizing candor and the alignment of motive with expression.
Involuntary Revelation
Strong emotion short-circuits self-censoring; the tongue betrays the heart through blurted truths, confessions, or slips.
Moral Transparency
Speech functions as evidence of character: sustained talk reveals enduring loves, fears, and loyalties more reliably than poses.
Limits of Secrecy
Hidden intentions leak through tone, timing, and choice of words; even guarded people advertise their inner weather.
Counsel to Prudence
Because the tongue broadcasts the heart, the proverb implicitly urges discipline of desire and thought to prevent harmful speech.
Biblical Echo
It closely parallels the scriptural maxim, ‘Out of the abundance of the heart the mouth speaks,’ embedding a long tradition that treats speech as the overflow of inner treasure or rot.
Psycholinguistics
Affect-laden items are easier to retrieve; arousal speeds articulation, so emotionally salient thoughts more readily reach the tongue.
Rhetoric and Character
Classical rhetoric linked ethos to speech: a consistent voice reveals a stable soul, while duplicity fractures style into telltale seams.
Social Diagnostics
Communities use everyday talk to judge trustworthiness; repeated themes and unguarded phrasing become a public x-ray of the private self.
Double-Edged Candor
Candor can heal or harm: truthful words forge intimacy, yet unfiltered speech can wound; the proverb names power without prescribing where to set the gate.
Rhetorical Devices
Parallelism
Balanced halves (‘what the heart thinks / the tongue speaks’) create a neat cause–effect symmetry that aids recall.
Metonymy
‘Heart’ stands for the inner life; ‘tongue’ for speech, turning body parts into moral faculties.
Antithesis (Implied)
By assuming concord, it implicitly condemns hypocrisy—when tongue speaks what the heart does not think.
Alliteration & Chime
Soft t and k sounds (‘thinks’/‘tongue’) add a mnemonic click that suits proverbial circulation.
Aphoristic Compression
A tight, declarative line distills a broad psychological law into portable counsel.
Transcription
Quotations
The mouth sheweth ofte What the hert thinketh.
What the heart did think, the tongue would clinck.
(the tounge claike th).
That which the heart thinketh, the mouth speaketh.
When the Heart is full, the Tongue will speak.
Shakespeare Citations
He hath a heart as sound as a bell; and his tongue is the clapper, for what his heart thinks, his tongue speaks.
Do you not know I am a woman? When I think, I must speak.
What his breast forges, that his tongue must vent.
Cross References
- See St., no. 848; T. 335, p. 188.
- A13 Of the abundance of the heart the mouth speaks
- F445 As the fool thinks the bell clinks
- H321 Nearest the heart nearest the mouth
Annotations
Related Proverbs
Original Scan


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