This book is dedicated to all those heroes and heroines who have seen and will see life as a daring adventure to be given in the name of service to humanity, to justice and to freedom. We know a few of them, but many others are lost among the nameless crowd. Albert Camus and Martin Luther King Jr are two first class role models who lived out their passions for justice and freedom. Today, they are among the heroes who are well remembered around the world. The following words seem appropriate to reflect what they stood for: