The road to the City of Emeralds is paved with yellow brick.

In L. Frank Baum’s children’s novel The Wonderful Wizard of Oz (1900), Dorothy is instructed to follow the Yellow Brick Road to reach the Emerald City, where the Wizard is believed to have the power to send her home. The line belongs to the early Kansas-to-Oz transition, when Dorothy meets the Munchkins and the Good Witch of the North, who explains how to find the Wizard. The Yellow Brick Road becomes a guiding route through Oz’s dangers and marvels, and the Emerald City functions as the story’s central destination and seat of supposed authority.

On the surface, the sentence is practical guidance in a fantasy landscape: a clear, literal instruction for reaching the Emerald City. Symbolically, it has come to represent a prescribed path toward hope, authority, or fulfillment—an apparently straightforward route to a promised solution. The “yellow brick” detail underscores how the journey is made legible and alluring, suggesting that quests often rely on simple narratives of progress (“just follow the road”) even when the traveler cannot foresee the trials ahead. In the broader Oz story, the road’s certainty contrasts with the ambiguity of what the Wizard can truly provide.