I found this book in the old business of my parents at the age of 15 years. My prejudices exceeded (when you see the title!), I read it and I do not regret it. This book is full of small basic life lessons for most but we often tend to forget; But these tips can move mountains on our relationships with others. An example? If you want to be told well of you, or even that you consider: tell the good of others, that's all!