The quote emphasizes how decision-makers often overlook the complexities of their mental processes, relying instead on instinctual feelings. This tendency can lead to significant errors in judgment that are not only detrimental to their leadership but can also impact entire societies.

By failing to critically analyze their thought patterns and choices, leaders may make avoidable mistakes that seal the fates of those they govern. The author's insights suggest that a deeper understanding of human psychology is essential for making sound decisions that benefit society as a whole.