The quote emphasizes the importance of living fully in the present. It suggests that true fulfillment comes from embracing the moment rather than constantly seeking to achieve or do more. The essence of life is found in simply being, rather than in the relentless pursuit of action and productivity.

In the context of the book "Post Captain" by Patrick O'Brian, this idea highlights a philosophical approach to life where existence and mindfulness are prioritized. The message encourages readers to appreciate the current experience and find value in presence, suggesting that this state of being is the ultimate aspiration.