Final answer:
Franklin's belief that he can become a better person demonstrates his self-awareness, optimism, and dedication to self-improvement, which align with the values of hard work and upward social mobility central to the American Dream.
Step-by-step explanation:
In The Autobiography, Franklin's belief that he can become a better person suggests a perspective of himself that is both self-aware and optimistic. This belief indicates he sees himself as someone who is not perfect but is capable of improvement and growth. It reflects an underlying confidence in his potential and a desire to strive for personal excellence. He is introspective enough to identify areas for improvement and believes in his ability to achieve his goals through hard work and the application of his thirteen virtues. This mindset is integral to the idea of the American Dream, which is based on the principles of upward social mobility and the transformative power of personal effort and virtue.