the.com/yellow brick road

The path that proves the answer was in you the whole time, not Oz

means A clear, imagined path toward a dreamed-of goal — often one that teaches, along the way, that the goal was never the real point.

from From L. Frank Baum's 1900 novel 'The Wonderful Wizard of Oz,' where a road of yellow bricks leads Dorothy to the Emerald City. Baum never explained the color choice definitively, though the yellow-brick-and-green-city palette may echo theosophical or architectural color symbolism of his time — this is debated, not settled. The 1939 MGM film cemented the phrase in pop culture, and it later broadened into a stock metaphor for any promised, well-marked route to a goal — especially one that turns out to be less important than the journey or the traveler's own growth.

origin
L. Frank Baum novel, 1900, decades before the film
color theory
MGM used actual gold paint for the brightest scenes
deeper meaning
some read it as a satire of 1890s gold-standard politics
irony
the road leads to a fraud hiding behind a curtain
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