We hold ourselves back in ways both big and small, by lacking self-confidence, by not raising our hands, and by pulling back when we should be leaning in.
技术是工具，人才是核心。
解释：称赞人不夸大他好的地方，那么听的人心里不痛快；诽谤人不增加他的过错，那么听的人心里不满足。