The rock of the world was founded securely on a fairy’s wing
“The rock of the world” symbolizes burdens, whereas the burdens are carried by the lightness. “A fairy’s wing” represents James' fantasy, the convenient escape from harsh realities. The fantasy is so powerful that his young light heart feels that the world as airborne.
To help improve the meaning of these lyrics, visit “The Great Gatsby (Chapter VI)” by F. Scott Fitzgerald and leave a comment on the lyrics box