I read this book at perhaps the best possible time.  On the eve of my 23rd birthday.  At a time when I feel more frustrated than ever.  And Rowling's defeat has always been my angel of salvation.
Legendary Rowling at Harvard Graduation Ceremony Speaks of the Importance of Failure, imagination, and Helping All!
The importance of supporting people who do not have the gifts we have been given, oppressed people…
Rowling tells to  Harvard students that it's not enough to make your family proud, what is important, it's the amount of impact you make on other people's lives, the smile you bring to them, and the way you touch their lives…
And at the end of this sentence “we do not need magic to transform our world;  we carry all the power we need inside ourselves already” touched my soul…