In Vladimir Nabokov's novel "Lolita," the narrator reflects on a vivid image from his past, which lingers in his memory. This moment captures the essence of youthful innocence and playfulness, represented by a twelve-year-old child. The imagery of the child shining brightly amidst the backdrop of a simple activity evokes a sense of nostalgia and yearning.

The detail of the child sitting on a threshold, engaging in the playful act of "pinging" pebbles at an empty can, signifies a blend of joy and freedom. This scene highlights the beauty found in childhood moments, emphasizing how they can remain etched in one's mind, offering a haunting contrast to more complex themes within the narrative.