What is the essence of President Theodore Roosevelt's advice in his quote?

The essence of President Theodore Roosevelt's advice in the quote emphasizes the importance of utilizing available resources effectively. Roosevelt frequently stressed the value of making the best use of the tools and opportunities at hand to achieve success. This approach underlines a pragmatic mindset, where one maximizes potential through diligence and resourcefulness.

In the context of leadership and decision-making, this philosophy encourages individuals to assess their current situation and leverage their existing capabilities to navigate challenges and achieve their objectives. A focus on effective resource utilization often leads to sustainable outcomes, fostering a culture of efficiency and resilience.

The other options, while relevant in various contexts, do not encapsulate the specific insight Roosevelt aimed to impart. Adapting to change, focusing on long-term goals, and innovating may all be crucial aspects of leadership, but they do not highlight the precise importance of effectively using the resources one has, which was central to Roosevelt's view.