Meaning & Analysis
The proverb literally compares someone to the Roman god Janus, who was depicted with two faces, one looking forward and one backward.
Insights
Deceit and Hypocrisy
The most common metaphorical meaning is that of duplicity and deceit. A 'two-faced' person is considered hypocritical, saying one thing while meaning or doing another, and cannot be trusted.
Duality and Contradiction
The proverb can also symbolize a dual or contradictory nature. This interpretation goes beyond simple deceit to describe someone who embodies opposing qualities or perspectives, as seen in Dryden's application of the term to Shakespeare's multifaceted genius.
Transitional Perspective
Drawing from Janus's original role as the god of doorways and transitions, the proverb can imply an ability to see situations from multiple viewpoints, connecting past and future. This rarer interpretation focuses on perspective rather than deception.
Evolution of Meaning
The proverb's meaning has shifted significantly from its classical origins. Janus, the Roman god of transitions, looked to the past and future, symbolizing wisdom and perspective. The modern proverb strips this context, retaining only the image of two faces to signify deceit, reflecting a cultural tendency to interpret duality as hypocrisy rather than complexity.
Literary and Classical Heritage
The frequent use of this classical allusion by prominent Renaissance and 17th-century authors like Shakespeare, Jonson, and Dryden illustrates how mythological figures were integrated into everyday English to describe complex human behaviors. Dryden's description of Shakespeare as a 'Janus of poets' notably uses the term to imply multifaceted genius, not just duplicity.
Psychological Distrust of Duality
The proverb taps into a deep-seated psychological distrust of inconsistency. It serves as a social label for individuals who present a 'false self' or exhibit contradictory behaviors, highlighting a cultural bias that values overt consistency and views adaptability or complexity with suspicion.
Rhetorical Devices
Classical Allusion
The proverb is a classical allusion, deriving its entire meaning and impact from the audience's assumed knowledge of the Roman god Janus.
Metaphor
The physical attribute of having 'two faces' is used as a powerful and direct metaphor for the abstract concept of a deceitful or dual character.
Simile
The explicit use of 'Like' frames the expression as a simile, directly comparing a person's character to the attributes of the mythological figure.
Transcription
Quotations
Jano bifronte.
Dissimulation is sister to Janus, and wanton appetite oft ietteth vnder the Maske of Chastitie.
I must turne my other face to her like Janus, least she be as suspicious as Juno.
Send Janus home his back-face againe, and looke only forward to the law.
I have a Janus' heart, though not two faces.
To be a Jack a both sides, a Janus with two faces.
Four faces each Had, like a double Janus.
He [Shakespeare] is the very Janus of poets; he wears almost everywhere two faces.
In Bivious Theorems and Janus-faced Doctrines let Virtuous considerations state the determination.
Shakespeare Citations
By two-headed Janus.
Cross References
- See OTTO, no. 841.
- F20 He carries (bears) two faces under one hood
- J21 To be Jack-on-both-sides.
Related Proverbs
Original Scan

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