In "The Golden Compass" by Philip Pullman, the character reflects on the youthful belief that certain moments and experiences are permanent. This sentiment resonates with young people who often perceive their feelings and relationships as unchanging, leading to a false sense of security about their circumstances. The reality, however, is that time and experiences inevitably alter everything.

This quote encapsulates a universal truth about growing up. It highlights the contrast between the innocence of childhood optimism and the complexities of adult life, where change is a constant. The story, through its exploration of themes such as adventure and discovery, encourages readers to understand that while youth is fleeting, the lessons learned during that time can last a lifetime.