After reading this book I came to know that this book contain some very simple but very effective formula that have the power that convert your biggest enemy to your best friend and I am too much excieted because I am just going to implement some principles of this book in my personal life all I know about this book is that carnegie’s ingridients inside this book have the power that not only change your life but your upcoming generations life too belive me friends at last I would like to share with you few lines that are spoken by dale sir that I really loved that is " Once I did bad that I heard ever twice I did good that I heard never " i"ll not share the meaning of this golden line personally I recommend you to read this book out and I can say you confidently that you will not be the same!