The quote "I suppose the pain of parting will be red and loud" from Vladimir Nabokov's novel "Invitation to a Beheading" suggests a deep, visceral emotional experience tied to separation. The imagery of "red" implies intensity and passion, while "loud" conveys a sense of overwhelming anguish. This reflects the character's anticipation of loss and the tumultuous feelings associated with it.

In the context of the book, the quote resonates with themes of existential despair and the struggle against oppressive forces. Nabokov intricately explores human emotions, highlighting how parting can evoke powerful reactions. The choice of words paints a vivid picture of sorrow, emphasizing the struggle involved when facing inevitable separations in life.