The quote reflects the protagonist's reminiscence of a joyful childhood filled with vibrant imagery. The mention of illustrated books suggests a rich imagination, while elements like clean sand and orange trees evoke a sense of nature and innocence. Friendly dogs and smiling faces indicate a loving and nurturing environment, contributing to a sense of happiness and well-being during early years.

This nostalgic perspective emphasizes the beauty of childhood experiences and how they shape one's identity. The lush, idyllic descriptions highlight the contrast between the uncomplicated joys of youth and the complexities of adult life, particularly in the context of Nabokov’s novel, which tackles much darker themes.