I think that voice held him most, with its fluctuating, feverish warmth, because it couldn't be over-dreamed—that voice was a deathless song.
Chapter 5 · Narrator
Context
Just after Nick reflects on Daisy's inability to match Gatsby's dream, he observes Gatsby responding to something Daisy whispers in his ear. Nick speculates that it is specifically Daisy's voice—rather than her appearance or personality—that retains its power over Gatsby because it alone cannot be surpassed by imagination.
Analysis
The metaphor of a 'deathless song' elevates Daisy's voice from a physical characteristic to something immortal and archetypal, explaining why it alone survives the disenchantment that threatens everything else about her. The crucial insight that the voice 'couldn't be over-dreamed' resolves an apparent contradiction: if Gatsby's illusion surpasses reality in every dimension, why does Daisy still captivate him? Because her voice operates in a sensory register that fantasy cannot replicate—it is the one element of Daisy that remains irreducibly present and thus immune to the disenchantment of fulfillment.
How to Use in Essay
Effective for essays on Daisy's voice as the novel's central motif, or for arguing that Fitzgerald presents sensory experience as the only force capable of sustaining enchantment against the corrosive effects of idealization and time.