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Kindle Notes & Highlights
the importance of what computer scientists call validation: whereas verification asks “Did I build the system right?,” validation asks “Did I build the right system?”
social network of friends and colleagues a healthy and virtuous lifestyle respect, self-esteem, self-efficacy and a pleasurable sense of “flow” stemming from doing something one is good at a sense of being needed and making a difference a sense of meaning from being part of and serving something larger than oneself
