Earl Nightingale was an American motivational speaker and author, known as the "Dean of Personal Development." In this video, Nightingale distills his lifetime of research on human motivation into a simple success formula—the very same one that propelled his own achievement. I do not own the rights to this video. This video is for educational purposes. #positivementalattitude #NapoleonHill #earlnightingale #successmindset #PersonalDevelopment #PositiveThinking #audiobook #mindset #motivation #success #mindset #motivationalspeech