The "little theme" from Vinteuil, heard by Swann as emblematic of his love for Odette, remains a point of reference for him, as the character of that love changes and as the love eventually fades.
Both Proust and Joyce record the ways in which human perspectives can be transformed. In Portrait, Stephen Dedalus is constantly undergoing epiphanies, but their effects are transitory: the new synthetic complex quickly falls apart. Proust's characters, by contrast, often achieve lasting changes of perspective.
