Elevated levels of confidence are omnipresent among history's greatest overachievers. Benjamin Franklin, one of the most famous men in the world even before he signed the Declaration of Independence once lamented about humility, "I cannot boast of much success in acquiring the reality of this virtue."

Overachievement: The Science of Working Less to Accomplish More (ed. Diversion Books, 2015) - ISBN: 9781626819467