Optimal experience is thus something that we make happen. For a child, it could be placing with trembling fingers the last block on a tower she has b… - Mihaly Csikszentmihalyi

The best moments in our lives, are not the passive, receptive, relaxing times—although such experiences can also be enjoyable, if we have worked hard to attain them. The best moments usually occur when a person’s body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.

Psychologists tend to see creativity exclusively as a mental process [but] creativity is as much a cultural and social as it is a psychological event. Therefore what we call creativity is not the product of single individuals, but of social systems making judgements about individual’s products. Any definition of creativity that aspires to objectivity, and therefore requires an intersubjective dimension, will have to recognise the fact that the audience is as important to its constitution as the individual to whom it is credited.

Flow: a state in which people are so involved in an activity that nothing else seems to matter; the experience is so enjoyable that people will continue to do it even at great cost, for the sheer sake of doing it.