Meaning & Analysis
To construct large, fortified buildings in the country of Spain. The phrase is almost never used literally and has carried a figurative meaning for centuries.
Insights
Unrealistic Ambition and Daydreaming
The phrase signifies indulging in ambitious but unrealistic plans, hopes, or daydreams that have no practical basis for realization.
Imaginative Escape
It can describe a form of mental escapism, where an individual avoids confronting their present reality by retreating into elaborate, imaginary scenarios or future plans that are unlikely to ever materialize.
The Power of Imagination
While often critical, the proverb can also point to the power of human hope and imagination. It reflects the act of envisioning possibilities beyond one's immediate, limited circumstances, even if those visions are fantastical.
Historical Context of Medieval Spain
The proverb's reference to Spain is rooted in the medieval European imagination. During the Reconquista, Spain was viewed from France and England as a distant, contested, and romanticized land. Building a castle there symbolized a grand but impossibly remote and fanciful undertaking, a project existing only in the imagination.
Psychology of Fantasy
The proverb captures the psychological act of wishful thinking. The first cited use in English (1477) connects it to lovers, who are archetypally prone to building idealized, imaginary futures. This highlights the deep connection between intense desire and the creation of elaborate, unfounded fantasies.
Linguistic Evolution
The 1657 quotation, 'We say, To build Castles in the air', marks a significant linguistic shift. As Spain became a more familiar European nation and less of a mythical frontier, 'in the air' emerged as a more universal and intuitive metaphor for something lacking a foundation, demonstrating how proverbs adapt to changing cultural landscapes.
Rhetorical Devices
Metaphor
The entire phrase is a metaphor where 'castles' represent grand, ambitious plans and 'Spain' symbolizes a remote, unattainable, or imaginary setting, making the combination a powerful symbol for impracticality.
Hyperbole
The image of building a castle—a massive, expensive, and difficult undertaking—serves as an exaggeration that highlights the grandiose and unfounded nature of the daydreams or plans being described.
Imagery
The proverb evokes a strong visual image of a magnificent fortress in a distant, romanticized land, contrasting sharply with the likely mundane reality of the person doing the dreaming.
Transcription
Quotations
He began to make castellis in Spaygne as louers doo.
He began to sighe and build castels in Spaine.
*To muse he knows not what about.
(To make).
*We say, To build Castles in the air.
Cross References
- See St., no. 1444.
- C126 To build castles in the air.
Related Proverbs
Original Scan

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