Mihaly Csikszentmihalyi Quotes
Some individuals have developed such strong internal standards that they no longer need the opinion of others to judge whether they have performed a task well or not. The ability to give objective feedback to oneself is in fact the mark of the expert.
Csikszentmihalyi, Mihaly. Flow: The Psychology of Optimal Experience. Harper & Row, 1990.
Mihaly Csikszentmihalyi is a Hungarian-American psychologist. He recognised and named the psychological concept of flow, a highly focused mental state conducive to productivity. He is the Distinguished Professor of Psychology and Management at Claremont Graduate University. He is the former head of the department of psychology at the University of Chicago and of the department of sociology and anthropology at Lake Forest College.