The quote reflects a universal human sentiment, suggesting that everyone, at some point in their lives, experiences envy for simpler, carefree lives symbolized by a fly. The "long joys of summer" represent a longing for freedom and enjoyment, which contrasts with the complexities of human existence. It highlights an innate desire for a life unburdened by worries, as the fly enjoys existence without the weight of human concerns.

This perspective invites readers to consider their own feelings of desire and jealousy towards those who appear to live uncomplicated lives. Beckett’s observation offers deep insight into the nature of happiness and the human condition, reminding us that the pursuit of joy is often filled with contradictions and longing for what we perceive to be easier existences.