PositiveThe Philadelphia InquirerThe book, as Duckworth acknowledges, does not address elements such as 'outside forces' and luck that can make all the grit in the world irrelevant. As she writes, the book is 'about the psychology of achievement, but because psychology isn't all that matters, it's incomplete.' I'd add this country's - and this city's - obsession with saviors, which can lead to finger-pointing and inaction; and our continuing national failure to provide equal educational opportunities. Still, her book gives cause for hope and an immediate path to action: A student's failure or setback should be 'interpreted as a cue to try harder,' she writes, 'rather than as confirmation that they lacked the ability to succeed.'