By reading it, you are transported between 1900 and 1936; some will say that much water has flowed under the bridge since then and it is true; but the book of Dale floated. The grand principle is: "make your interviewer feel important"; the best way to miss life is to violate this principle and how many do? They are countless and I was part of those above. small historical example: millions of books have been written about the French Revolution, but few know that the day of the inauguration of the States General, only members of the third estate had to kneel in the mud to pay tribute to the King ; minimal facts of this kind have a significant impact. the book is full of examples where the violation of the principle causes of disasters. like DC said, if this book will take you to respect this principle, you will notice significant changes in your life.