In "The Old Man and the Sea," Ernest Hemingway emphasizes the importance of focusing on one's present resources rather than what is lacking. Through the character of the old fisherman, the narrative illustrates resilience and determination in the face of challenges. The story encourages readers to appreciate their capabilities and to leverage what they already possess to overcome adversity.

The quote, "Now is no time to think of what you do not have. Think of what you can do with that there is," serves as a reminder to maintain a proactive mindset. It inspires individuals to channel their energy into constructive actions and to find strength in their current situation, rather than dwelling on deficiencies.