It is probably one of the most-quoted books in the last ten years. And for good reasons. It has helped us make sense of the differences between intelligence and smart thinking, and how growth as a mindset is a likely path for building grit, but, as Angela Duckworth said, we do need more: The correlation isn't perfect, but this suggests to me that one of the things that makes you gritty is having a growth mind-set. The attitude “I can get better if I try harder” should help make you a…