What this power is I cannot say all I know is that it exists and it becomes available only when a man is in that state of mind in which he knows exactly what he wants and is fully determined not to quit until he finds it.

Summary

This quote suggests that there is a certain power within individuals that is activated when they possess unwavering determination and a clear vision of what they want to achieve. The nature of this power is unknown, but it implies that when individuals are in this focused and driven state of mind, they tap into an inherent force that propels them forward and aids them in their pursuits. This power can only be accessed if one maintains steadfastness and refuses to give up until they attain their desired outcome.