But his heart was in a constant, turbulent riot. The most grotesque and fantastic conceits haunted him in his bed at night. A universe of ineffable gaudiness spun itself out in his brain while the clock ticked on the washstand and the moon soaked with wet light his tangled clothes upon the floor.
Chapter 6 · Narrator
Context
Nick describes the inner life of the young James Gatz during his period of manual labor along Lake Superior, before meeting Dan Cody. While his body performed 'half-fierce, half-lazy' physical work by day, at night his imagination generated elaborate fantasies of wealth and grandeur.
Analysis
The oxymoronic 'ineffable gaudiness' captures the central paradox of Gatsby's vision—something simultaneously beyond language and irredeemably cheap—while the personification of his heart in 'turbulent riot' frames desire itself as an ungovernable force. The juxtaposition of cosmic fantasy ('a universe') with humble domestic detail (the clock, tangled clothes on the floor) creates a poignant gap between the splendor of Gatsby's inner world and the poverty of his material circumstances, embodying the American Dream's tension between imagination and reality.
How to Use in Essay
Ideal for essays on how Fitzgerald renders Gatsby's ambition as simultaneously magnificent and grotesque, or for analyzing the novel's treatment of imagination as both the engine of the American Dream and the source of its inevitable disappointment.