This document discusses impostor syndrome, which is a psychological phenomenon where people doubt their accomplishments and believe they do not deserve their success. It defines impostor syndrome as when people are unable to internalize their accomplishments and remain convinced they are frauds, dismissing evidence of competence as luck or deceiving others. The document explores why impostor syndrome matters, how to recognize it in oneself or others, ways to help those with impostor syndrome, and creating an environment to reduce its effects through recognition, feedback, and allowing failure without competition.