The quote from Ian McEwan's "Atonement" highlights the struggle of overcoming obstacles in pursuit of one’s desires. It suggests that any challenges faced must be counterbalanced, even if by a small margin, by the motivations and ambitions that propel an individual forward. This dynamic reveals the intense inner conflict between personal goals and external hindrances that many people experience.

Additionally, the phrase emphasizes the resilience required to navigate life's difficulties. It encapsulates the idea that despite the weight of setbacks, the drive for achievement must remain stronger. This reflects a broader human experience where determination and purpose need to eclipse barriers for meaningful progress to occur.