: Mason suggests that a lack of imagination, rather than a lack of ability, is often what prevents people from reaching their true potential. About the Author: John Mason
: The book explores the "secret" that successful people share: the ability to quit only after a victory, rather than during a struggle.
: Mason asks, "How old is your attitude?" to prompt readers to evaluate whether their mindset is outdated or hindering their growth.
The book operates on the principle that the quality of your life is determined by the quality of the questions you ask yourself. Major themes include: