The quote "One person's molehill is another person's mountain" by Verity Vaudeville highlights the subjectivity of individual experiences and perspectives. The metaphor of a molehill versus a mountain serves to illustrate how what may seem like a small challenge or issue to one person can feel immense and overwhelming to another. This quote reminds us to be empathetic towards others, as we all perceive and react to situations differently based on our own personal experiences and values.