Every MAN is either a fool or a physician to himself

Meaning & Analysis

By a certain age, a person has either learned enough about their own constitution and habits to maintain their health (acting as their own physician) or has failed to do so, thus proving themselves a fool.

Insights

Self-Knowledge and Responsibility

The proverb is a metaphor for personal accountability and the necessity of self-awareness. To be a 'physician' is to understand one's own mental, physical, and emotional limits and to live wisely within them, while being a 'fool' is to live in ignorance of one's own nature.

The Wisdom of Experience

It suggests that lived experience is the ultimate teacher. The wisdom gained through years of observing one's own reactions and frailties is a form of medical knowledge that, if ignored, leads to self-inflicted harm and folly.

Consequences of Ignorance

The proverb serves as a stark warning about the consequences of neglecting self-care and introspection. It implies that poor health and misfortune are not merely random, but often the direct result of a foolish failure to heed the lessons of one's own life.

Historical Self-Reliance

The proverb reflects a pre-modern medical context where individuals relied heavily on personal experience and self-regulation for their health. The age threshold of thirty or forty, mentioned in 17th-century sources, signifies a point by which a person is expected to have gained sufficient life experience to manage their own well-being.

Classical Origins

Originating from a remark attributed to the Roman Emperor Tiberius, 'aut stultus aut medicus', the proverb carries classical weight. Its adoption into English, noted by writers like P. Holland in 1606, demonstrates the enduring appeal of this wisdom across centuries.

Psychological Self-Regulation

Psychologically, the proverb addresses the concept of self-regulation. The 'physician' masters their impulses and habits for long-term health, while the 'fool' succumbs to them. It posits that maturity is defined by the ability to apply self-knowledge proactively.

Rhetorical Devices

Antithesis

The proverb is built on the stark contrast between the 'fool' and the 'physician', creating a memorable and forceful dichotomy that emphasizes the gravity of the choice between wisdom and ignorance.

Metaphor

'Physician' is used metaphorically to represent not just a medical doctor, but any person who is a wise steward of their own overall well-being, including their mental and spiritual health.

Aphorism

The proverb functions as a concise, prescriptive aphorism, offering a timeless rule for living a responsible and self-aware life. Its brevity enhances its authority and memorability.

self-knowledgeresponsibilitywisdomhealthexperienceduality
Analyzed with gemini-2.5-pro on August 20, 2025

Transcription

Quotations

What are you, sir? —A citizen of Rome, sir. —Then you are not farre distant from a foole, sir. —A pothecarie, sir. —I knew thou wast not a physician; fough.

1602, JONSON, Poetaster, III iv 6

Whereupon might arise our English prouerbe, A fool or a physician.

1606, P. HOLLAND, Twelve Caesars Tiberius annot., I 282

If age hath ripened thy discretion, thou art to thy selfe (saith the Prouerbe, aut stultus aut medicus) eyther a foole or a Physitian.

1615, T. ADAMS, England's Sickness II, Wks., p. 347

As well a foole as a good Physitian may come from Padua.

1635, J. JONES, Adrasta, Ded., s. A3
1639, CL., p. 21

Yet i' the house, I heare it buzz'd, there are a brace of Doctors, A Foole, and a Physician.

1640, JONSON, Magn. Lady, II vi 116

Every one a fool or a physitian to himself after thirtie.

1659, HOW., Eng. Prov., p. 6

(or a Physician after thirty years of age).

1670, RAY, p. 35

Shakespeare Citations

I seek you a better husband. —That's my master, Master Doctor .. 'Nay,' said I, 'will you cast away your child on a fool and a physician?'

Wiv, III.iv

Cross References

Original Scan

Every MAN is either a fool or a physician to himself - 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