Unlike the classics of the genre, which only support psychological theories, this book is pragmatic. It is rich in proverbs, motivational quotes and anecdotes about the lives of famous entrepreneurs, political figures, music, sports and movie icons. Written in a personalized and lively style, this book gives you a whole series of principles that will not only allow you to destroy all the mental and emotional barriers that keep you in despair, but also to forge a mind of steel that nothing and no one can shake.