The quote reflects the idea that individual experiences and lives may appear insignificant in the grandeur of existence, akin to mere footnotes in a larger, complex story. This perspective suggests that while human life is rich with personal narratives, they often lack the recognition and permanence of a major work of art or literature, remaining unfinished and enigmatic.
In Nabokov's "Lolita", this contemplation encourages readers to explore the depths of human experience, emphasizing the transient nature of life. It reminds us that our stories, despite their apparent simplicity, contribute to a much larger narrative that remains elusive and only partially understood.